题目详情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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