根据现行《火灾自动报警系统设计规范》,探测区域应按独立房(套)间划分。一个探测区域的面积不宜超过()
A.600㎡
B.500㎡
C.800㎡
D.1000㎡
参考答案:B
Coast Guard approved buoyant work vests().
A.may be substituted for 10 percent of the required life preservers
B.should be stowed adjacent to lifeboats and emergency stations
C.may be used by boat crews and line handlers during lifeboat drills
D.should be used when carrying out duties near a weather deck's edge
“文件”菜单底部所显示的文件名,以下说法错误的是()
A.正在使用的文件名
B.正在打印的文件名
C.扩展名为.DOC的文件名
D.最近被Word处理过的文件名