vaccuum

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。