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

單項選擇題

During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?()

A.failure of the proper operation of the main steering gear
B.failure of the proper operation of electrical installations
C.leakage of domestic water pump
D.insulation of exhaust pipes in engine room contaminated by oil

微信掃碼免費搜題