spur wheel
短语词组
- spur gear wheel 正齿轮
- spur friction wheel 筒形摩擦轮
- spur geared wheel reductor 外啮合圆柱齿轮式轮边减速器
- spur -wheel reversing gear 正齿轮回动装置
- Double width spur wheel 加宽直齿轮
- spur wheel countershaft 正齿轮副轴
- spur wheel gear 正齿轮
- transmission spur wheel 传动正齿轮 返回 spur wheel