The importance of properly controlling the screen tension and the relation of screen tension and off-contact was introduced.

介绍了丝网印版张力控制的重要性，及印版张力与网距之间的关系。

youdao

State Department Acting Spokesman Robert Wood says U.S.officials are in contact with regional allies and other concerned governments to try to "head off" the launch.

VOA: standard.2009.03.12

Worse still,after about 20 minutes after the ship takes off, all radio contact between ship and earth will be destroyed.

更坏的是，当飞船起飞20分钟后，所有飞船与地球的无线电通讯都被切断。

耶鲁公开课 - 死亡课程节选

But then AbdulMutallab cut off contact with him and other friends they had in common, Rafiq said.

CNN: STORY HIGHLIGHTS

Many Western government broke off contact with Mr Modi's government after the riots.

BBC: India minister Narendra Modi's US speech cancelled

He said the IRA statement on Wednesday breaking off contact with the arms decommissioning body was "just another indication of the seriousness of the situation".

BBC: NI Secretary Paul Murphy is to meet all the parties