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问题:

[单选] Any firefighting equipment that is carried in addition to the minimum required number on a ship must().

A . meet the applicable standards
B . be marked as additional equipment
C . be stowed in a separate area
D . All of the above

Aphelion is the point where the Sun(). and Moon and Earth form a right angle。 and Moon and Earth are in line。 crosses the celestial equator。 is farthest from the Earth。 石油化工装置发生火灾后,经济损失和造成的影响都比较大。 CRH2型动车组传动系统采用了三电平脉冲整流技术。 石油化工企业的生产装置整体性不高,每个装置都可独立运转。 和谐号动车组都采用了变频变压控制技术控制列车的传动系统运行。 Any firefighting equipment that is carried in addition to the minimum required number on a ship must().
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