Pay attention to the correct installation of ground wire (line 5) when connecting lines with substation.
Pay attention to the correct installation of ground wire (line 5) when connecting lines with substation.
预埋安装塑料底盒时，一定要待水泥干燥后，才能预埋安装塑料底盒。
Pay attention to the correct installation of ground wire (line 5) when connecting lines with substation.
预埋安装塑料底盒时，一定要待水泥干燥后，才能预埋安装塑料底盒。