抽气泵的排气管应该导向室外空旷处或导向一座通风橱.The pump exhaust should lead to the open air or a fume hood.设计了一套硅片专用真空夹紧装置,包括夹紧装置和微型无油真空抽气泵.A vacuum clamp equipment used for holding Si wafer is designed in this paper....
The settler got the house at a nominal price.移居者象征性地花点钱买下了这栋房子.A young settler on the beach said he understood what drove the militants.沙滩上的一名年轻的定居者称他理解驱使武装分子的行为.The settler may be a beneficiary and may also be the only ...
Niccolini was thundering up the stairs, taking them two at a time.尼科利尼一步两个台阶地噔噔跑上楼。Add the cream a few drops at a time.每次加几滴奶油。For months at a time, air raids were a nightly occurrence.一度有几个月，每天晚上都会发生空袭。...
Hanging from his right wrist is a heavy gold bracelet.他的右腕上戴着一只沉甸甸的金手镯。A gold bracelet dangled from his left wrist.一只金手镯在他的左手腕上晃来晃去。He picked the bracelet up for me.他帮我把手镯捡了起来。...