敷设在竖井内和穿越不同防火区的桥架，按设计要求位置设置防火隔堵措施，防火分区隔墙两侧的风管防火阀，距墙表面不应大于300mm。
参考答案：错
从行为获得途径看，蜜蜂采蜜属于觅食行为．______．
All school buses in the northwestern provinces ______ with satellite positioning devices next year. [ ]
A. will be fitted
B. fitted
C. have been fitted
D. are fitted
