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[单选] One of the functions of ventilation is to () the humidity of spaces containing sources of moisture, or to () the temperature of spaces not mechanically cooled such as the engine room.

A . increase;reduce
B . reduce;increase
C . increase;increase
D . reduce;reduce

What is TRUE of pressure/vacuum valves? () They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank。 They should operate in advance of the pressure/vacuum breakers。 They should be kept in good working order by regular inspection and cleaning。 All of the above。 以下属于清洁生产的有()。 产品设计时进行可回收设计。 延长产品的使用寿命。 对产品进行精美包装。 物料封闭循环。 以人民币标明面值的股票有() A股。 B股。 H股。 N股。 张系国的作品《棋王》,而在80年代的大陆,也有一部同名的作品引起了很大的反响,它的作者是() 梁晓声。 路遥。 阿城。 What is required to be posted in the pilothouse of a vessel? () Certificate of Inspection。 Officer's licenses。 Station Bill。 Vessel's Maneuvering Characteristic。 One of the functions of ventilation is to () the humidity of spaces containing sources of moisture, or to () the temperature of spaces not mechanically cooled such as the engine room.
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