【名词&注释】
独立式(independent sample type)、化学品船(chemical tanker)、大幅度(greatly)
[单选题]化学品船透气系统布置为独立式,其目的是()。
A. 货物蒸气不相混
B. 节省材料
C. 便于操作
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学习资料:
[单选题]When adding oil to a refrigeration system, precautions must be taken to ensure that
A. the compressor suction pressure is not too high
B. all air is purged from the pump and charging fittings
C. the high pressure cutout switch is held open to prevent accidental starting
D. the condenser is completely shutdown first
[单选题]在失火的警报信号短声1分钟后,如上甲板失火应鸣______声。
A. 3
B. 4
C. 5
D. 2
[单选题]船舶在足够的水域中能及时地、大幅度地,且不造成另一紧迫局面的转向,可能是________。
A. 最有效的避碰行动
B. 避免紧迫危险的最有效的行动
C. 避免紧迫局面最有效的行动
D. 避免碰撞危险最有效的行动
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