单项选择题
A.The chief engineer B.The second engineer C.The third engineer D.The fourth engineer
Who is in charge of the auxiliary engines?（）A.The chief...
单项选择题Who is in charge of the auxiliary engines?（）
Who is in charge of the main engine?（）A.The chief engin...
单项选择题Who is in charge of the main engine?（）
Who will be responsible for ensuring that a ship mainta...
单项选择题Who will be responsible for ensuring that a ship maintains a standard at least equivalent to that specified in international conventions?（）
A.Port state B.The Administration C.The shipowner D.The master
