piston ring with single hook的意思|示意
美 / /
英 / /
单钩活塞环
piston ring with single hook的网络常见释义
有单刮油凸脊的活塞环 ... piston ring with single hook 有单刮油凸脊的活塞环 single hook piston ring 鼻形环 single-hook piston ring 单钩活塞环 ...