A.1/1000 B.2/1000 C.3/1000 D.4/1000
A.0.01~0.02 B.0.02~0.04 C.0.04~0.05 D.0.05~0.08
A、2h B、3h C、至回油濾網(wǎng)上無遺留雜物為止