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单选题
中国船级社的任务之一是对各种()进行检验并发证。 Ⅰ、船舶Ⅱ、海上设施Ⅲ、船用产品Ⅳ、集装箱
A
Ⅰ+Ⅱ+Ⅲ
B
Ⅰ+Ⅱ+Ⅳ
C
Ⅰ+Ⅲ+Ⅳ
D
Ⅰ+Ⅱ+Ⅲ+Ⅳ
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ExceptD
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有功和无功分配都不均匀D
有功和无功分配都均匀
考题
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stowed in quick release racksD
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