vacuum take-off

When the vacuum cleaner bag is full, it will not take up dirt from the rug.

吸尘器的纸袋若满了, 就无法再吸地毯上的灰尘了.

Open the vacuum chamber to take out flask.

打开真空炉﹐取出铸造瓶.

This paper shows that the neutrino does not violate the law of parity conservation, P and CP violation comes from the vacuum. If we take vacuum into account, the law of P.C. T conservation is universally true.

本文证明了中微子并不破坏宇称守恒定律和P与CP的破坏都来源于真空，如将真空也计算在内，则P、C、T守恒定律都普遍成立。

In semiconductor receivers transistors take the place of vacuum tubes.

在半导体收音机中晶体管代替了真空管.

The U.S. has yet to take a position on who can best fill the vacuum left behind by Strauss-Kahn's departure.

关于谁应该接替卡恩突然辞职后留下的空缺，美国还没有表明立场。