99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

A vessel casualty must be reported to the MSA in China if it involves().

A.loss of life
B.an injury requiring only first aid
C.property damage
D.loss of equipment which doesn't reduce the vessel's maneuverability

微信掃碼免費搜題