极限摩擦

limiting factor───限制因素

sliding friction───[力]滑动摩擦

limiting factors───限制因素

rolling friction───[力]滚动摩擦

sliding frictions───滑动摩擦

limiting adjective───限制性形容词

limited edition───发行额有限的限定版（通常为装订精美者）

packing fraction───[核]敛集率；聚集率

rolling frictions───滚动摩擦

friction, wear and limiting pv properties of PTFE-based self-lubricating composites under dry friction condition were studied using a MPV-1500 friction tester.───利用MPV-1500摩擦试验机研究了PTFE基自润滑复合材料在干摩擦时的摩擦、磨损及极限pv值，在研制高pv值的滑动轴承方面进行了探讨。

less coefficient of friction, high limiting speed, large size range and colorful combination of structure;───轴承摩擦系数小，极限转速高，尺寸范围与形势变化多样。

The position limiting support ring can well ensure the coaxiality, has small friction with the cylinder tube, and has small wear to the inner wall of the cylinder tube.───能 够很好的保证同轴度，铜的硬度介于聚氟塑料和铸铁之间，与缸筒之 间的摩擦小，对缸筒内壁磨损小。