In our country, system is mainly the non - effective earthing system.我国中低压配电网多采用小电流接地系统.Earthing connector of socket will not connect to neutral connector.插座的接地端子不与零线端子连接.For disconnector: Center break, double break, ear...
Big meals during the day cause drowsiness.白天吃太多会让人昏昏欲睡。A feeling of drowsiness crept over him.一种昏昏欲睡的感觉逐渐袭扰着他.This decision reached , he finally felt a placid drowsiness steal over him.想到这, 来了一点平安的睡意....