建筑的哪些部位应使用气体灭火系统?
参考答案:
不宜使用水、干粉或泡沫等灭火剂的场所。如:变配电室、发电机房、重要文献资料室、锅炉房、精密仪器仪表室等场所。
Automobile A is traveling at two-thirds the speed that Automobile B is traveling. How fast is Automobile A traveling (1) If both automobiles increased their speed by 10 miles per hour, Automobile A would be traveling at three-quarters the speed that Automobile B would be traveling. (2) If both automobiles decreased their speed by 10 miles per hour, Automobile A would be traveling at half the speed that Automobile B would be traveling.
装卸线两旁堆放货物边际距邻近钢轨头部外侧应符合()三项规定。
A.装卸线两旁堆放货物边际距邻近钢轨头部外铡不得小于1.5m。
B.特殊情况,困难地段不少于1m。
C.装卸线两旁堆放货物边际距邻近钢轨头部外铡不得小于1.2m。
D.距卸车机走行线不少于1m。