gas gate valve

基本解释煤气闸阀

网络释义

1)gas gate valve,煤气闸阀2)gate type gas regulating valve,闸门式煤气调节阀3)air lock valve,气闸阀4)Fuel gas gate valve,燃气闸阀5)pneumatic wedge disc valve,气动闸板阀6)gas valve,煤气阀

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