tap模锻锤安全阀总管三通管试验分接头
impactor relief valve manifold tee test
直动式压电气动伺服阀
the piezoelectric -based direct -action pneumatic servo valves
增压器调节容气量的旁通阀
supercharger control bypass
液压油箱通气孔安全阀
hydraulic tank breaker relief valve
拖拉机贮气箱安全阀
tractor reservoir air relief valve
气体调压器阀
air pressure regulator valve
气体调压阀
air pressure regulating valve
气动压力释放阀
pneumatic pressure release valve
进气流量控制阀和安全阀
inlet flow control and relief valve
二次空气喷射减速压阀
secondary air injection relief valve
电-气压力伺服阀
electro-pneumatic pressure servo-valve