flex-vent oil ring的意思|示意
美 / /
英 / /
弯曲排气油环
flex-vent oil ring的网络常见释义
挠性油环 ... flex-head wrench ==> 回旋头扳手 flex-vent oil ring ==> (活塞)挠性油环 flex-wing ==> 可折三角形机翼,柔性翼 ...