Double-seal valves的意思|示意
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双密封阀
Double-seal valves的网络常见释义
双向密封阀 ... Hose connections（软管连接） Double-seal valves（双向密封阀） Bottom drain valves（底部泄放阀） ...
Double-seal valves相关例句
When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal.
当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。