It's action is insulation protection .The body made of high-intensity malleable iron, hot-dip galvanized.
It's action is insulation protection .The body made of high-intensity malleable iron, hot-dip galvanized.
主体材料采用高强度可锻铸铁，热镀锌防锈。
It's action is insulation protection .The body made of high-intensity malleable iron, hot-dip galvanized.
主体材料采用高强度可锻铸铁，热镀锌防锈。