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【单选题】
某船修理后根据其平均吃水 查得△=6635t(标准密度海水),船上当时存油217t,淡水184t,船员、行李、备品等28t,压载水450t,实测当时舷外水密度ρ=1.021 t/m3,空船重量△L=5597 t,则船舶常数为-----t。
A.
128
B.
243
C.
133
D.
247
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