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保险阀
gen. escape-valve
auto. critical valve
dril. pop-off valve
ecol. lock valve
el. guard valve
hydroel.st. relief valve
met. escape valve
space locking valve
tech. dual relief valve; easing valve
telecom. safety valve
保险安全,溢流,减压,(油罐)呼吸
mech.eng. relief valve
保险 阀: 10 phrases in 6 subjects
Drilling1
Metallurgy1
Oil / petroleum1
Space2
Technology4
Water resources1