load piston check valve 负荷柱塞单向阀
master cylinder piston check valve 主缸活塞单向阀
priority valve check valve 压力控制顺序阀单向阀
steering control valve check valve 转向控制阀单向阀
ball check piston 球形阀活塞
dosage valve piston 剂量阀活塞
expansion valve piston 伸缩式阀活塞
one-way valve piston 单向阀活塞
outside admission piston valve 外进气活塞阀
piston check ring 活塞护环
piston valve 活塞阀; 活塞式滑阀; 活塞滑阀
piston valve body 活塞阀阀体
piston valve engine 圆滑阀配汽蒸汽机
piston valve steam engine 活塞阀蒸汽机
pressure difference valve piston 压差阀活塞
purge valve piston 清洗阀柱塞
servo piston valve 伺服机构柱塞阀
shuttle valve piston 往复阀柱塞
valve piston 阀活塞; 气门活塞