single coil ring washer的意思|示意
美 / /
英 / /
单圈垫圈
single coil ring washer的网络常见释义
单盘簧垫圈 ... front coil ring 前盘簧 single coil ring washer 单盘簧垫圈 piston coil ring 活塞式盘簧 ...