There was significant difference between Group C and Group D (P<0.05, P<0.01) .

③C组与D组各指标比较有显著性差异（P<0.05，P<0.01）。

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We generally insure W. P. (W. P. a) on a C.

一般来讲，我们在到岸价里投保了水渍险。

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We generally insure W. P. (W. P. a) on a C.

一般来讲，我们在到岸价里投保了水渍险。

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