火灾探测器至墙壁、梁边的水平距离,不应小于()m
A、3.0
B、2.0
C、1.0
D、0.5
参考答案:D
—I'm afraid I can't afford the dress. I haven't got enough money.
—You can get it for ___ , my little girl. [ ]
A. less
B. a little
C. little
D. least
热工控制图中,同一仪表或电气设备在不同类型的图纸上所用的图形符号可随意