air cylinder valve plug
bull-nosed cylinder valve
Cylinder valve
筒阀
筒形阀
圆筒伐
气瓶阀
气阀
气瓶阀门
气缸气门
容器阀
缸阀
圆筒阀
汽缸阀
cylinder-cylinder electrodes
Four-valve cylinder head
hydraulic cylinder valve-controlled system
nitrogen cylinder valve
shift cylinder valve body
shift cylinder valve spool
swing cylinder valve section