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- Impact compactor, for whose active wheel's structure is special, it requires highly for the traction force when working, and it is difficult to suit for the machine in working on today. 摘要冲击式压实机由于其冲击轮结构的特殊性，使得工作时对牵引要求很高，难以与现在的施工机械配套。
- This paper presents a fuzzy sliding-mode-based driving control of lunar rover with six active wheels running in the real world on the condition that small wheel slips and mismatch angle are taken into account. 研究了运行于自然环境、具有小滑移率及小失配角、六轮独立驱动的摇臂式月球车驱动控制问题。
- The product is small an light.With four active wheels it is be moved conveniently. It can be used either in the store houses or in the workshop. 本产品体积小,重量轻,并配有四只万向轮移动特别方便,既可放在库房,也可放在车间里使用。
- If I fall asleep at the wheel wake me up. 如果我开车时睡着了，就叫醒我。
- My wheel twisted off in the middle of the car race. 我的车轮子在汽车比赛中途脱掉了。
- His father is a big wheel in the government. 他的父亲是政府里的要人。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- I got a flat tire of the rear wheel of my bicycle. 我自行车的后轮车胎没气了。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- No one can hold back the wheel of history. 谁也无法阻止历史车轮的前进。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- The car crashed when the wheel flew off. 车轮突然脱落，汽车接着失事。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- The bolt sheared (off) and the wheel came off. 螺栓折了，轮子脱了出来。
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- 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
- I'll need a spanner to change the back wheel. 我需要一把扳手来换後轮。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
