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Q1 = Q2 = Q3 2Q3 = Q1 < Q2 Q3 < Q2 < Q1 Q1 < Q2 < 3Q3
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covers is covered cover are covered
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2Q1＞O2 Q1＞2Q2 2Q1＜Q2 
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Q2>Q1>Q3 Q1>Q3>Q2 Q3>Q2>Q1 Q1>Q2>Q3
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the cargo loading static head of water dynamic effect due to the fluid motion in the hold support from other deck covers
Q1+ Q2+Q3 0.5（Q1+Q2+Q3） 0.5 Q2－1.5 Q1－0.5Q3 1.5 Q1－0.5 Q2+0.5Q3
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Q1>Q2>Q3 Q1>Q3>Q2 Q3>Q2>Q1 Q2>Q1>Q3
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