impellers什么意思解释

impellers的音标：...

The impellers are kept in their proper relationship to each other by spur gear.液轮之间借助于正齿轮保持彼此正常的关系.Mainly by the impellers, pump body and pump cover composition.主要由叶轮 、 泵体和泵盖组成.Welding is one of the important technologie...

她患有支气管哮喘。She suffers from bronchial asthma.夜晚的湿气与寒冷对支气管有害.These evening damps and chills play Old Harry with one's bronchial tubes.持续的发炎引起未端支气管肿胀.The persistent inflammation leads to swelling of the terminal bronchi...

"That's a type of whitefly, is it?"— 'Yes. it is a whitefly.'“那是一种粉虱，对吗？”——“是的，是粉虱。”The five small arthropod were still very serious pest, especially aphid, scale and whitefly.其中,五小害虫的危害仍然非常严重, 尤其是蚜虫 、 蚧壳虫...

illiterate的近义词/同义词有：uncultured, uneducated, ignorant, unlearned, uneducated, unlearned, ignorant, uncultured。adj.illiterate的近义词（文盲的;无教养的）：uncultured, uneducated, ignorant, unlearned。illiterate的近义词（其他释义）：uneducated, unlea...

“入鞘”的拼音为：rù qiào...

forgo的近义词/同义词有：up, relinquish, sacrifice, give, do, surrender, yield, without, give, do, without, relinquish, up, yield, sacrifice, surrender。vt.forgo的近义词（放弃,抛弃;停止）：up, relinquish, sacrifice, give, do, surrender, yield, ...

She went directly to Simon's apartment and knocked on the door.她直奔西蒙的房间，敲了敲门。Simon finished dialing and clamped the phone to his ear.西蒙拨完号，把听筒贴在耳边。Marianne was none too pleased to find Simon seated beside her.玛丽安娜发现...

homburg的音标：homburg的英式发音音标为：['hɒmbɜ:g]homburg的美式发音音标为：['hɑmbɜrg]...

谷氨酰转移酶...

此反应属分子内反应,因而快速且干净利索.The reaction is intramolecular and hence fast and clean.该体系合成的丁苯共聚物具有均匀的分子内和分子间分布.The prepared random SBR has uniform inter ? and intramolecular composition distribution.构象的变化改变了分子内的螺旋方向,因此,旋光方向随之改变.S...

“反击”的拼音为：fǎn jī...

目的探讨硫化汞在朱砂中的作用.Aim To discuss the effect of mercuric sulfide in the cinnabaris....

surface with macadam表面用碎石覆盖asphalt macadam沥青碎石Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层.The construction techniques of cement treate...

boric的音标：boric的英式发音音标为：['bɔ:rɪk]boric的美式发音音标为：['boʊrɪk]...

她出神地看着小窗子外面的蓝色地平线。She stared dreamily out of the small window at the blue horizon.他把花放进蓝色阔口花瓶里。He put the flowers in a wide-mouthed blue vase.莉兹拿起蓝色信封，好奇地翻过来看。Liz picked up the blue envelope and turned it over curiously....

目前所能获得的关于协变的资料都在这儿.The data on covariance presently available are here....