多项选择题
A.甲板B.平台C.横舱壁D.纵舱壁
A.0.8B.1C.1.2D.1.5
A.2.1m~2.2mB.2.2m~2.3mC.2.3m~2.4mD.2.4m~2.5m
A.杂货船B.客船C.散货船D.滚装船
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