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....
这些思绪交集在我的心头.These thoughts thronged on my mind.他羞愤交集地回到家里, 怒火满腔.He went home ashamed and indignant, full of rage.这就是条件交集所形成的价格体系.This is the price system that place of conditional be mixed forms....
这些是奏鸣曲的起始和弦.These are the opening chords of a sonata.我能弹着一些击他和弦唱一首歌。I could play a few chords on the guitar and sing a song.我把和弦吉他留给你.I left you the Harmony guitar....