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

Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include().

A.approved oily-water separating equipment
B.a fixed or portable containment system at the shore connection
C.a spare pump in case the main pump is inoperative
D.at least one outlet accessible from the weather deck

微信掃碼免費(fèi)搜題