Cock and ball: Turn off the prop is a plunger or a ball, rotating around its own axis.

旋塞和球形：关闭件是柱塞或球，围绕本身的中心线旋转。

youdao

Connect the Dewchecker suction tubing to the gas outlet point of the Lambda probe and open the relative cock, switch on the Dewchecker suction pump and draw off the gas for 5 minutes.

连接露点检测机吸管与氧气传感器出气口后，打开相关旋钮，打开露点检测器的抽气泵，抽气5分钟。

youdao

The American premiere of "Bull: The Bullfight Play, " written by Bartlett as a companion piece to last season's off-Broadway hit "Cock", opened Thursday night in a gripping, brutal presentation by Sheffield Theatres, as part of 2013 Brits Off Broadway at 59E59 Theaters.

WSJ: Review: Mike Bartlett waves red flag with 'Bull'