bellows valve stem的意思|示意
美 / /
英 / /
波纹管阀杆
bellows valve stem的网络常见释义
波纹管阀杆 ... 波纹管阀 bellows valve 波纹管阀杆 bellows valve stem 波纹管密封（件） bellows seal ...
bellows valve stem相关例句
Failure is more common with the screw put on the Bellows Seal Valves threaded stem wear, so that the valve can not close.
比较常见的故障是阀杆与螺套上的丝扣磨损，陶瓷阀门使阀门无法关闭。