oil ring self-lubrication是什么意思

用法例句

Drive gear pair lubrication system of ball mill is reformed in the way of using full automatic oil-spraying lubrication system thus achieving very good lubrication performance.

通过球磨机传动齿轮副润滑方式改造前后效果的对比,论证了球磨机传动齿轮副采用全自动喷油润滑后良好的润滑效果及广泛的应用前景。