valve corevalve inside的意思|示意
美 / /
英 / /
阀芯，阀内
valve corevalve inside的网络常见释义
气门芯 ... 气门面: valve facevalve-seat face 气门芯: valve corevalve inside 气门挺杆: valve followervalve push rodvalve tappet(valve lifter)valve-lifting plunger ...