This paper develops the control system of electronically controlled throttle with high speed on off valve.

研究了一种利用高速开关阀对节气门进行电子控制的系统方案。

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The electronically controlled hydraulic actuator is used to control the throttle controlled by high speed on off valve.

使用电液式执行器作为节气门控制的执行机构，利用高速开关阀对执行器进行连续的流量控制。

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A new kind of electro hydraulic on off valve is expatiated on for fuel injection system of electronic controlled diesel engine.

阐述一种用于柴油机电控喷油系统的新型电液开关阀。

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He said in such a situation, normal procedure would be for the contractor's crew to secure the well by closing off the huge valve sitting on the seabed known as a blowout preventer.

WSJ: BP Tries to Shift Blame for Spill to Transocean

Risk assessments on the next stage, to close off the valve where the oil is coming from, are still being carried out.

BBC: Shell claims progress on North Sea oil leak

The open approach that Valve decided on years ago is paying off big when it comes to the living room -- if only five percent of that installed base jump in on Steambox in 2013 (what we'd call a highly conservative guess), that's 2.5 million users.

ENGADGET: 2013: The year that Valve attacks HD