valvedv.给 ... 装阀adj.有阀的
valven.瓣膜;真空管;阀门;电子管
valve rocker气阀摇臂
valve return气门回程
valve holder管座
valve facing磨阀面
valve handle阀杆
Valve repair瓣膜修复
valve bucket气瓣活塞
valve inside气门心部
Valve island阀岛
valve center阀芯