You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should().
A. hold course and sound a two blast whistle signal
B. hold course and sound no whistle signal
C. change course to the right and sound one blast
D. hold course and sound two prolonged and two short blast
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操作票应保存()。
A. 三个月
B. 六个月
C. 九个月
D. 一年
国内某大型钢铁企业需从国外进口铁矿石,考虑到散货船运价上涨的风险,宜选用()方式安排进口。
A. EXW
B. CIF
C. FAS
D. FOB
一般每台汽轮机均配有两台凝结水泵,每台凝结水泵的出力都必须()凝汽器最大负荷时的凝结水量。