其主要功能是减少轴瓦与曲轴间的滑动摩擦磨损，提高发动机曲轴及连杆的使用寿命。

Its primary functions are to reduce wear and tear between bearing and shaft, and raise longevity of shaft and connection rod.

youdao

其主要功能是减少轴瓦与曲轴间的滑动摩擦磨损，提高发动机曲轴及连杆的使用寿命。

Its primary functions are to reduce wear and tear between bearing and shaft, and raise longevity of shaft and connection rod.

youdao