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discharge valve
agric. 放水阀
auto. 排,输出阀; 压阀
avia. 安全溢出阀
compr. 排气阀
dril. 排水阀; 输送阀
eng.geol. 泄放阀
exhib. 放空阀
hydroel.st. 泄水阀
met. 卸载活门; 放气活门; 排出阀; 放散阀
railw. 放气阀; 罐车放出阀
shipb. 排泄阀
space 安全溢出阀
tech. 卸料阀; 泄水阀 (门); 出水阀; 放泄阀; 排水阀 (门)
transp. 放气〔减压〕 阀
water.res. 控制阀
discharge valve: 73 phrases in 19 subjects
Animal husbandry1
Architecture1
Automobiles1
Chemistry2
Compressors7
Drilling1
Electric machinery1
Electronics1
Engineering geology1
Metallurgy1
Mining1
Nautical3
Oil / petroleum1
Rail transport6
Refrigeration3
Shipbuilding13
Steel production1
Technology27
Telecommunications1