您要查找的是不是：
- The main friction area on the piston and cylinder is measured and compared, which proves that Ceramic-Mental FGM can decrease the friction and wear between the cylinder and piston. 试验比较结果显示，气缸体及活塞的主要接触面的磨损量很小，发动机功率下降不明显，这表明梯度功能材料在发动机上能够起较好的作用。
- This product base on alloy of broze of special formula.The solid lubricating medium is inlaid in the friction surface and the friction area of the solid lubricating medium take over 20%. 该产品是高强度合金铜为基体，镶嵌特殊配方的固体润滑剂，固体润滑剂摩擦面积超过30%25。
- According to its characteristics of Spiral Conical Dispenser, the friction characteristics of the key friction areas have been analyzed. 根据出灰机本身的特点，对出灰机的关键摩擦点的摩擦特征进行了分析。
- He steered into the parking area. 他把车开进了停车区。
- The slum area was sordid and filthy beyond belief. 该贫民区之污秽肮脏简直令人难以置信。
- The flood cut a wide swath in this area. 洪水席卷了这一地区，满目一片疮痍。
- The luminous intensity on unit area. 单位面积上的发光强度。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- 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。
- White lines divide the playing area into sections. 这些白线把赛区分成各个部分。
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- Sorry. I must have got the wrong area code. 对不起，我一定是拔错地区号码了。
- This is the area that attracts the most attention. 这是最受关注的地区。
- 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。
- The folk song has a good run in this area. 这支民歌在这个地区非常流行。
- Wet weather is a feature of life in this area. 天气潮湿是这个地区生活的一个特色。
- The area is subject to devastating seasonal winds. 这个地区常遭破坏性季风的袭击。
- We can compute the circular area with radius. 我们能用半径计算出圆的面积。
- How can people make a living in this arid area? 这片不毛之地上的人们怎么谋生呢？
