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- Oil the moving parts of this machine regularly. 要定期给这部机器的运转部件上油。
- In order to reduce friction, the moving parts of a machine are often oiled. 为了减少摩擦，机器的可动部件常常涂上润滑油。
- A pump that keeps a supply of oil on moving parts. 保持移动部分的油量供给的。
- Much of the energy supplied to complicated machine with many moving parts is wasted in overcoming this opposition. 供给一台具有许多可转动部件的复杂机器的能量，有很多是在克服阻力中损耗掉了。
- Applied a lubricant to keep the moving parts from binding. 加入润滑油使活动部分运转自如
- As regards that machine,its moving parts have been worn out. 至于那台机器，它的活动机件已经磨损。
- Friction between moving parts had caused the engine to overheat. 活动部件的摩擦使发动机过热。
- A substance, such as grease or oil, that reduces friction when applied as a surface coating to moving parts. 润滑剂一种象油脂或汽油的物质，被擦在运动部分表面时可减少摩擦
- Wherever possible, all moving parts should be tested. 所有可以移动的部件都应尽可能加以检验。
- At the same time, good lubrication of the moving parts is achieved. 同时,对活动部件有很好的润滑作用。
- The moving parts of this machine should be oiled regularly. 这部机器的运转部件应该上油。
- As regards that machine, its moving parts have been worn out. 至于那台机器，它的活动机件已经磨损。
- The technology of using the flows and pressures of fluids in sensing, control, and information-processing systems with no moving parts. 射流技术一种利用流体动力现象使不运动部件来完成传感、控制和信息传送等功能的控制技术
- A device for stopping motion,especially of a moving part. 制动装置用于停止运动的装置，尤指正在运动的部分
- A device consisting of fixed and moving parts that modifies mechanical energy and transmits it in a more useful form. 机床一个由固定和可移动部件组成的装置，可以把机械能转化为其他更为有用的形式
- A device for stopping motion, especially of a moving part. 制动装置用于停止运动的装置，尤指正在运动的部分
- The inventor contrived a new kind of engine with fewer moving parts . 这位发明家发明了一种具有较少运动部件的新型发动机。
- The moving part of an electromagnetic device such as a relay, buzzer, or loudspeaker. 电枢电磁装置的移动部分，如继电器，蜂音器或扬声器
- In order to reduce friction,the moving parts of a machine are often oiled. 为了减少摩擦，机器的可动部件常常涂上润滑油。
- The moving parts of a machine are often oiled so as to reduce friction . 为了减少摩擦，机器的可动部件常常涂上润滑油。
