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vaccuum

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  1. The Application Of The Vaccuum & Inert AtmospHere Solder Eutectic Oven in the Electronic Micropackage Field

    真空/可控气氛共晶炉在电子封装行业的应用

  2. So the problem is going to be the usual problem of having a volume V1 of a gas on one side , and a vaccuum V2 expanding to volume V2 , gas .

    问题是这样的:,开始一边是体积V1的气体,一边是真空,气体膨胀到。

  3. The Relation between Vaccuum and Heat-Retension of Thermos Refills

    保温瓶瓶胆真空度与保温性能的关系

  4. I did everything from - I shucked oysters , I was a hostess , I was a bartender , I was a waitress , I painted houses , I sold vaccuum cleaners , I had no idea .

    我什么工作都做,我挖生蚝,当带位员,做酒保,当服务生,粉刷房子,卖吸尘器……完全不知道自己想做什么。