valve piston

常见例句

Oil reducing valve belongs to the pilot valve piston valve.
進口油用減壓閥屬於先導活塞式減壓閥。
The working process of the pneumatic valve was descried and the force on the valve piston was analyzed. A design method about pneumatic valve is provided.
通過對氣動閥工作過程的描述及對其閥芯的受力分析，提出了氣動排汙閥設計方法。
The utility model introduces a mechanism for guiding a valve piston returning to central positions, belonging to the technical field of a servomotor with follow-up action.
本實用新型介紹一種引導閥活塞複中機搆，屬於具有隨動作用的伺服馬達技術領域。
ip.com

All it means is that the Piston is not the Steam Box that Valve plans to release.
FORBES: Xi3 Is Committed to Piston, While Valve's Steam Box Remains Elusive