题目内容

腹部损伤腹部脏器露出或脱出的处理?

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食品工厂对水质有何要求?有何处理办法?

Your vessel is damaged with no list,but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?()

A. KB increases,increasing BM and therefore GM
B. KG increases due to the weight of the added water on deck
C. BM decreases from loss of water plane and greater volume
D. There is no effect on transverse stability

液压拔缸通常用来()。

A. 更换凡尔体
B. 更换凡尔座
C. 更换泵头
D. 更换柱塞

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