评论:表面粗糙度的主要参数

表面粗糙度也称表面光洁度,通过表面粗糙度仪测量得到数据,一般在国内通用的为Ra值  粗糙度的单位为:微米(um)具体请查看以下资料:7.3 表面粗糙度参数及定义7.3.1 轮廓算术平均偏差Ra在取样长度内轮廓偏距的算术平均值。 11niiRayn==7.3.2 轮廓均方根偏差Rq在取样长度 [更多>>]

网友评论355618 条评论)
Kayla (5.188.211.*) 7月前
How many weeks' holiday a year are there? https://www.ryanmcbain.com/forum/stmap_26d4w3y.html pastilla ciprofloxacino 500 mg "Jimmy Kimmel is out of line to try and spoof in any way the first piece of honest media in years," West began, initially keeping his ire about the interview. But soon the rapper's rant took a turn for the personal — and then the questionable.
Erwin (5.188.211.*) 7月前
The manager https://www.crea-livre.com/stmap_11h0o1d.html valtrex cheap "Only potential survivor, the fabulous Fab ... standing in the middle of all these complex, highly leveraged, exotic trades he created without necessarily understanding all of the implications of those monstrosities!!!"
Cedrick (5.188.211.*) 7月前
Through friends https://www.crea-livre.com/stmap_11h0o1d.html zocor heart pro buy Dodd-Frank called for the cap on swipe fees to reduceburdens on retailers and hopefully trickle down to consumers inthe form of lower prices. But when the Fed announced its cap,retail groups protested that it let banks charge higher feesthan the law intended.
Abdul (5.188.211.*) 7月前
Have you seen any good films recently? https://urzadzeniafiskalne.biz/stmap_42s90xv.html ciprofloxacin prophylaxis dose for uti Much like real world wars this battle went down because of one tiny mistake. Apparently a player accidentally teleported himself into enemy territory and called for backup, resulting in a chain that sucked both clans into the fray. This was not a scheduled event nor a planned battle but players creating the changes in the game themselves. The result being, a last stand by the Alliance and their virtual annihilation.
Rikky (5.188.211.*) 7月前
The National Gallery https://log.akosut.com/stmap_42hk5d.html what is the function of penegra Making waves by rekindling things with ex-boyfriend Chris Brown wasn't enough for Rihanna. So in order to REALLY get your attention, these racy Twitter photos hit the internet. Two shots of a hardly-clothed RiRi, posted on Dec. 7, 2012, show the singer without bottoms posing with a glass of wine. Posted by her best friend Melissa Forde, it appears the two decided to have their own photoshoot sans clothing.
Josue (5.188.211.*) 7月前
I'm a housewife https://www.smhdrmankar.com/stmap_261m2mc.html price of levitra vs viagra Biotech alfalfa is approved for commercial production in the United States. But many foreign and domestic buyers require that supplies not be genetically modified, and the possible presence of GMO modified alfalfa in export supplies could result in lost sales for U.S. farmers.
Randell (5.188.211.*) 7月前
It's serious https://www.ulctribal.com/forum/stmap_26wz8b8.html ciprofloxacin iv dose for uti But most of the aggression is on the track. Barry Sheene was a big fan of the Revival and won his final race at Goodwood in 2002 before succumbing to cancer the following year, aged 52. Freddie, a relative racing novice, won’t be among the front-runners but his presence adds a poignant note to this most nostalgic of events. His much missed dad would surely approve.
Guadalupe (5.188.211.*) 7月前
Is there ? https://www.ulctribal.com/forum/stmap_26wz8b8.html buy probenecid colchicine The protest follows a violent crackdown on demonstrators by the Chinese government on August 13, in which Chinese security forces “stormed” two mining sites that had been the locations of a standoff between Tibetan protestors and Chinese mine workers since early in the week.
Taylor (5.188.211.*) 7月前
I can't get a dialling tone https://www.cmef.org/stmap_427p7wn.html lamisil cream "That's why we're vigilant with multiple meetings every week," he said about conducting "Muni Bond 101" sessions with legislators and staffers. "We're not sitting back thinking this isn't going to happen until 2017. We're defending it every day."
Allison (5.188.211.*) 7月前
Just over two years https://www.ulctribal.com/forum/stmap_26wz8b8.html erythromycin 333 mg "Through today's court decision and previous settlements with five major publishers, consumers are again benefiting from retail price competition and paying less for their e-books,'' Mr Baer said.
Kimberly (5.188.211.*) 7月前
I quite like cooking https://www.cmef.org/stmap_26wcumb.html norvasc 10mg reviews Which is a shame, since he’s an accomplished manager and a sharp character who understands a good deal about how the city runs, and should have at the least helped shape the conversation about the coming de Blasio mayoralty. Instead, he’s been largely irrelevant, except for bursts of trolling like his attack ad showing 20-year-old scenes of destruction and more recent motorcycle mayhem, with an ominous non-sequitur warning that Mayor de Blasio, Marxist barbarian at the gate, would mean a rapid return to all that.
Joaquin (5.188.211.*) 7月前
Where do you come from? https://log.akosut.com/stmap_42c7zka.html voltaren bleeding disorders U.S. officials faced a public uproar after Snowden beganleaking classified information about telephone and emailcollection programs. Intelligence officials have been pushing to justify the programs as legal, particularly under the ForeignIntelligence Surveillance Act, or FISA, which requires a secretcourt to approve the programs.
Cliff (5.188.211.*) 7月前
Just over two years https://www.electronicautomovil.es/stmap_26q8c55.html methotrexate dosage for rheumatoid arthritis "It was my belief that this information would be kept on the'down low' and that it was unlikely that it would be discoveredthat my pharmacy provided these drugs," owner Jasper Lovoi saidin the letter, which was disclosed in documents as part of afederal lawsuit filed against the state by three death rowinmates.
Rickey (5.188.211.*) 7月前
Pleased to meet you https://www.electronicautomovil.es/stmap_26q8c55.html generisk cialis danmark Polls show immigration is one of the subjects that worries British voters the most and that many expect political parties to show they have a plan to tackle what they regard as excessive levels of immigration.
Jermaine (5.188.211.*) 7月前
Good crew it's cool :) https://www.electronicautomovil.es/stmap_26q8c55.html buy propecia cheap online Heavy rains across Ukraine look set to shrink winter grainareas and slow exports, Agriculture Minister Mykola Prysyazhnyukhas said. The rains slowed the pace of the maize harvest,forcing the ministry to revise its export forecast for October.
Esteban (5.188.211.*) 7月前
Very funny pictures http://www.grouna.com/pharmacy/index.php/stmap_42gmxw7.html amlodipine besylate 5mg tablets picture "It's pretty clear that we're a society totally reliant on our phones not only for personal use but business use too," said Fred Touchette, a security analyst at AppRiver, the firm that commissioned the survey.
Lucio (5.188.211.*) 7月前
I came here to work https://www.electronicautomovil.es/stmap_26q8c55.html effexor xr coupon printable Did manage to look at some of the plan terms. People are going to be blown away at the costs. Pretty much around $600.00/month for an individual for a low end plan with around $5,000.00 deductible and $6,000.00 out of pocket.
Russell (5.188.211.*) 7月前
How long have you lived here? https://laseveetlesracines.fr/stmap_26kgwdk.html how many 10mg amitriptyline to overdose Stories of everyday domestic pets were never deemed important enough to be told in print. A dog, cat or chicken had to perform a headline-grabbing feat – or be owned by a celebrity hat designer – to make the papers. There were pet health columns and problem pages, but no tales of lovable rogues, great survivors, hunters and gatherers, timid souls or dearly departed friends.
Robin (5.188.211.*) 7月前
How many more years do you have to go? https://laseveetlesracines.fr/stmap_26kgwdk.html albuterol uses Obama's announcement Thursday that the United States wascanceling joint military exercises with Egypt was the firstsignificant U.S. move to penalize Egypt's military rulers afterthe ouster of Mursi. Previously, the U.S. government hadannounced a decision to halt delivery to Egypt of four U.S.-madeF-16 fighters.
Santos (5.188.211.*) 7月前
Could you ask him to call me? https://laseveetlesracines.fr/stmap_26kgwdk.html ph arch army cialis product Some took this craze for amateur sleuthing seriously – in 1860, Collins reported that a temporary maid kept trying the door of his lavatory “every time I make water”. However, for most of his life the biggest dangers came not from other people but from himself. Small, plump and delicate, Collins suffered from ailments over the years that included gout, rheumatism, boils and a bad back. For pain relief he turned to laudanum, and when he became addicted he tried to wean himself off it by injecting morphine. Even less effective were quack remedies that included “Dr Caplin’s Electro-Chemical Bath” and draping the gouty parts of his body with “a simple poultice of cabbage leaves covered with oiled silk”. It was no surprise that he died at the relatively young age of 65.
355618 条评论«1 ...456789101112... 17781»
发表评论

Copyright © 2012-2014 广州协和精密金属有限公司 Inc. 保留所有权利。 Powered by TWCMS 2.0.3

页面耗时0.0252秒, 内存占用1.35 MB, 访问数据库9次

粤ICP备16007285号