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hydraulical | butterfly valve
 butterfly valve
avia. 蝶 阀; 蝶形活门
dril. 90°开闭的碟阀
hydroel.st. 蝴蝶阀; 蝴蝶阀
mech. 蝶形阀
met. 蝶阀; 节流阀; 节气门
oil 【沁|蝶阀
- only individual words found