... exhaust fume collecting hood 集烟罩 exhaust plant 抽气设备 exhaust system 排气系统 ...
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... data extraction n. 数据析取 extraction equipment 萃取设备；采矿设备；抽气设备 countercurrent extraction 逆流萃取；反流提取；逆灵提；逆镣取 ...
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... air express 特快航空邮件 ... air extractor 抽气设备；抽气机；抽风机 ... algebraic expression 代数式 ...
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... Absauganlage 排烟（废气）系统 Absaugeinrichtung 抽气设备 Absaugleistung 抽风能力 ...
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本文介绍适用于干式减压蒸馏的特殊结构真空抽气设备。
This paper introduced a new type and special structured vacuum pump unit suitable for dry type reduced-pressure distillation.
现在已经采用了低温吸附技术和吸气离子泵的近代电子抽气设备。
Recent electronic means of pumping using low temperature sorption techniques and getter-ion pumps have been introduced.
在罩式电炉内处理，采取液氮作为保护气体，并设真空抽气设备。
Liquid nitrogen is adopted as protective atmosphere in bell type furnace for which vacuum pumping system are provide also.
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