concentration lubrication

• 集中润滑

concentration lubrication的用法和样例：

例句

1. The gear system, the trach and the major friction parts are fully lubricated by the continual and concentrated lubrication device of the ZP100.
   有连续集中润滑系统，使传动系统，道轨和主要磨擦部位得到充分的润滑，噪声和磨损减少，使维修保养费用大大降低。