A.滴油潤滑 B.油環(huán)潤滑 C.飛濺潤滑 D.壓力潤滑
A.0.1%-0.3% B.0.3%-0.6% C.0.6%-0.9% D.0.9%-1.2%
A.人工定期潤滑 B.滴油潤滑 C.油池潤滑 D.壓力潤滑