This article introduces the engine important parts cylinder head valve pipe hole and sealing trip on their technical method and analyse used in the machining center.

介绍了发动机上重要部件汽缸盖中气门导管孔和密封带在加工中心上的工艺方法，并对其进行了分析。

youdao

Shipbuilding . head of sounding pipes with self - acting valve . details of body.

造船工业。带自动阀的测深管测头。阀体详图。

youdao

Stainless steel valve head and seats provide long service life.

不锈钢阀头和阀座延长使用寿命。

youdao

Valve head Gabe Newell says the company isn't stopping any planned hardware initiatives, despite reports of layoffs at the company and the news that hardware lead Jeri Ellsworth was fired.

ENGADGET

Ian Taylor, from Little Shelford, had fallen and hit his head on a radiator valve 24 hours earlier.

BBC: Patient directed 'lost' ambulance to hospital

Especially what it might mean for SC2 and Blizzard if Valve and Riot go head to head for dominance in the competitive scene.

FORBES: Further Thoughts on Starcraft 2 and League of Legends