6791某建筑采用防火墙划分防火分区。下列防火墙的设置中，错误的是（）。A.输送柴油（闪点高于60℃）的管道4960

某建筑采用防火墙划分防火分区。下列防火墙的设置中，错误的是（）。 A.输送柴油（闪点高于60℃）的管道穿过该防火墙，穿墙管道四周缝隙采用防火堵料严密封堵 B.防火墙采用加气混凝土砌块砌筑，耐火极限为4.00h C.防火墙直接设置在耐火极眼为3.00h的框架梁上 D.防火墙上设晋常开的甲级防火门，火灾时能够自行关闭请帮忙给出正确答案和分析，谢谢！

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上一篇: 5025Directions: In the following text, the numbers 11－15 in brackets refer to the underlined parts of the text that come after them, and to the questions below. Read the text first , and then answer the q8032

下一篇: 8880My secret for staying young is simple. Put all attention to the part of your brain and keep it young and growing. Keep your mind awake and you'll stay young all over. These are （16) times. Take an int702