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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....
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fluctuate的一般过去时为：fluctuated...
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manipulate的现在进行时为：manipulating...
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emersed的音标：emersed的英式发音音标为：[i:'mɜ:st]emersed的美式发音音标为：[i'mɜst]...
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stops的音标：...
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recommend的一般过去时为：recommended...
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“集”的拼音为：jí...
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“二乙酯”的英语可以翻译为：diethylester ...
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Your own wickedness will correct you, And your apostasies will reprove you.19你自己的恶必惩治你, 你背道的事必责备你....
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“一枚”的英语可以翻译为：a (coin, egg, medal, etc.) ...
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“除气”的拼音为：chú qì...
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我们把这匹驯良的马骑得都走不动了.We had ridden the willing horse to a standstill.他想撒下反叛的种子, 唤醒这个安分驯良的农民的觉悟.He was trying to plant the seed of revolt, arouse that placid peasant docility.驯良的马绝不会把骑手甩倒.He is a gentle horse that never cast ...
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last name的反义词有：name, first。n.last name的反义词（姓）：name, first。...
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他将船驶向北方.He pointed his boat northward.他将船驶向北方。He pointed his boat northwards.鸟儿在冬天飞向北方是反常的.It is unnatural for birds to fly north in the winter....