某单层丙类厂房设置有室内消火栓,该厂房层高为12m,当水枪的上倾角为45°时,满

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问题 某单层丙类厂房设置有室内消火栓,该厂房层高为12m,当水枪的上倾角为45°时,满足规范规定的水枪的充实水柱长度应为(  )。A.6~8mB.9~11mC.12~14mD.15~17m

选项 A.6~8m
B.9~11m
C.12~14m
D.15~17m

答案 D

解析
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