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单选题
我同规定船舶冷库温度回升试验,库内外初始温差温差25T时,6h库温门升应不大于:()。
A
3℃
B
4℃
C
6℃
D
8℃
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单选题载货清单没有()作用。A
船舶凭以办理出(进)口报关手续B
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