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- soil coefficient of external friction 土壤外部摩擦系数
- The designing application of compound die of external friction pieces 外摩擦片复合冲模的设计应用
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- 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。
- She sets great store by external politeness. 她很注重表面的虚礼。
- 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。
- Matches are lighted by friction. 火柴由摩擦而生火。
- Our external trade has expanded during recent years. 我国的对外贸易近几年来有所发展。
- 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。
- A friction match with a large head capable of burning in a wind. 耐风大头火柴一种能够在风中燃烧的通过磨擦点火的大头火柴
- He judge people by mere external clothes rather than internal character. 他判断人只靠着外表的衣服而不是内在的品格。
- The metal or plastic external structure of a motor vehicle. 车身机动车的金属和塑料的外部结构
- Friction lowers the efficiency of a machine. 摩擦减低机器的效率。
- External friction plate 外摩擦片
- You could not walk if there were not some friction. 假若没有摩擦，你就不能行走。
- Adhesive friction, as of a wheel on a track or a tire on a road. 附着摩擦力粘附性摩擦，如车轮在轨道上或轮胎在路面上的
- External torques arise from outside the system. 外转矩是由系统外部生产的。
