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某市消防安全检测站在为一银行大楼做电气消防安全检测时曾发现了隐藏在电缆竖井中的重大火灾隐患。该银行大楼是一座地下２层、地上２４层建筑，建筑面积近２５平方米。电气竖井内布线是高层建筑中强电及弱电垂直干线线路特有的一种综合布线方式。在使用超声波多功能探测仪对?
A city fire safety inspection station for a bank building to do electrical fire safety testing has been found hidden in the cable shaft in a major fire hazard. The bank building is a basement 2 floors, 24 floors above ground, building area of nearly 25 square meters. Electrical shaft wiring is high-rise buildings in the weak and weak vertical lines unique wiring a comprehensive wiring. In the use of ultrasonic multi-detector on?