您要查找的是不是：
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- Flexibility, as in the shaft of a golf club. 弹性，韧性柔韧性，易变性，如高尔夫球棒的柄
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。
- upper idler roller shaft 上惰轮辗筒轴,上空转辊柱轴
- front roller shaft 前导轮轴
- A framework to support or strengthen a mine or shaft. 井壁基架用来支承或加固矿井的构筑
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒，如牙钻蕊棒
- The part of a machine shaft or axle supported by a bearing. 轴颈机械的转动轴或轮轴中由轴承所支撑的部分
- grinding roller shaft 磨辊轴
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
- An inclined or vertical shaft or passage between levels in a mine. 小暗井矿井里层与层之间倾斜的或垂直的竖坑或通道
- The road roller evens out the ground. 压路机把地面压平。
- roller shaft 滚轮轴
- You may apply it with brush or roller. 你可以使用毛刷或辊子进行涂抹。
- A shaft that turns or is turned by a crank. 机轴用曲柄来转动的轴
