消防水泵接合器是一种特殊的阀门，用于连接消防车向室内供水。
查看答案
当室外管网提供的水量水压均能满足室内消防供水要求，即可使用直接供水方式。
A. 对
B. 错
消火栓的布置间距要综合考虑消火栓的保护半径的大小进行设置。
A. 对
B. 错
低层消火栓系统中消防水箱的储备水量要满足灭火初期5min的用水量要求。
A. 对
B. 错
Question 1
A. Because they found lines of minerals which would require water to be created.
Because they found that life once existed on Mars.
C. Because they found freely flowing liquid water under the surface.
D. Because they had found evidence of life on Mars.
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