所有因素相同时,各种海上石油终端类型中()的系船力量最小。
A.固定码头
B.多浮筒系船系统
C.塔式系船系统
D.单点系泊系统
参考答案:D
The pilot asked all the passengers on board to remain ________ as the plane was making a landing.[ ]
A.seat
B.seating
C.seated
D.to be seating
有流港船舶进出干船坞的时机一般选择:()
A.高潮后的涨末时段
B.初涨时段
C.高潮初涨时段
D.任何时段