低温阀 meaning in Chinese

cryogenic valve

Manufacturers of instrument , piping , flow control and aerosapce components . part of swagelok company . based in the uk
-主要产品有闸阀截止阀止回阀球阀蝶阀低温阀平板闸阀隔膜阀电站阀和仪表阀。
Mainly deals in stocking of valves and fittings . other products include manifolds , instruments , tubes and hoses , couplings and their accessories
-生产阀门及阀门驱动装置，主要产品有闸阀截止阀止回阀低温阀电站阀平板阀等。