A.潤滑 B.降溫 C.隔音
A.1.4MPa B.1.5MPa C.1.7MPa D.1.8MPa
A.關(guān)供液閥—停機—停冷卻水 B.停機—關(guān)供液閥—停冷卻水 C.停冷卻水—停機—關(guān)供液閥