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- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
- Oil is put in machinery to reduce the friction. 把油涂到机器上减少摩擦。
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- There was very little outlay on new machinery. 添置新机器的开支微乎其微。
- Much machinery has been installed. 已经安装了许多新机器。
- The machinery has been standing idle for months. 这机器已经闲置了好几个月。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- Much new machinery has been installed. 已安装了许多新机器。
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- We have no machinery for dealing with complaints. 我们没有处理投诉的机构。
- We use tractors to pull farm machinery. 我们使用拖拉机牵引农业机械。
- There was a ceaseless noise of machinery. 机器不停地发出噪音。
- Some capitalists squeeze profits from existing machinery. 一些资本家拚命利用现有设备增加利润。
- A person in charge of stage machinery. 掌管舞台机械装置的人
- One that oils engines or machinery. 加油工给发动机或机器上油的人
- The development of new machinery has outdated many plants. 新机器之发展于许多的工厂显的落伍。
- Matches are lighted by friction. 火柴由摩擦而生火。
- The factory is enlarged to make room for more machinery. 这工厂被扩大以腾出空间放更多机械。
- There is a great deal of friction between the management and the work force. 劳资双方之间存在大量矛盾。
