开启人孔后,通风的时间应不小于()分钟,严禁在人孔内()喷灯,以免发生爆炸。
参考答案:10;点燃
We are interested in the weather because it ______ us so directly---- what we do and even how we feel.
A.benefits
B.guides
C.affects
D.limits
35kV及以下的绕组匝绝缘厚度为0.45mm,所包的匝绝缘电缆纸厚度及层数为:0.12mm、2层或0.08mm、3层