double-ring valve的意思|示意

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双环阀

double-ring valve的网络常见释义

双环阀 ... 双滚筒真空干燥器 vacuum double drum dryer 双环阀 double-ring valve 双活塞泵 duplex piston pump ...

double-ring valve相关短语

1、 double ring valve 双座阀

double-ring valve相关例句

Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.

金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。