backward movement
短語(yǔ)詞組
- Prevention backward movement infection 防止逆行感染
- Prohibited backward movement 禁止逆行
- backward movement of poppet 頂桿后坐
- forward and backward movement 正反向運(yùn)行
- backward and return movement 前后運(yùn)動(dòng)
- forward and backward movement knob 載物臺(tái)前后運(yùn)動(dòng)螺旋
- backward movement of the truck 卡車的倒車 返回 backward movement