无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項(xiàng)選擇題

Following the failure of one turbocharger on a large, crosshead, main propulsion diesel engine, fitted with multiple turbochargers, which of the following actions should be taken prior to further operation of the engine? ()

A.Blank off the exhaust gas inlet to the damaged turbocharger
B.Secure cooling and lubrication to the damaged turbocharger
C.Lock the rotor of the damaged turbocharger
D.All of the above

微信掃碼免費(fèi)搜題