Police say the saboteur must have had a working familiarity with the refinery to be able to open the tank's main valve and send tons of oil pouring out.

警方表示，嫌疑犯熟悉油厂事务，而且能打开阀门，让好几百万吨的石油哗啦啦的流走。

youdao

The top steam discharge valve discharge distance could regulate to maintain the working pressure.

顶部排汽阀的开度应调控，以保持连排内的工作压力。

youdao

Substantial construction, working principle and practical maintenance method of revolving valve type power steering gear is presented in detail.

详细地介绍了转问式动力转向器的具体结构、工作原理和具体维护方法。

youdao

We've known for some time now that Valve was working on virtual reality support for its perpetually updated free-to-play shooter, Team Fortress 2.

ENGADGET

"We don't have any hardware, " Ludwig says when asked about working with Oculus and why Valve didn't create its own VR headset.

ENGADGET: Valve's Joe Ludwig on the uncertain future of virtual reality and partnering with Oculus

"I'd recently lost my wife and working with Brendan was a release valve for me, " he says.

BBC: Family affair for Lampards