·2,447,543篇论文数据，部分数据来源于NoteExpress
Bus bar , zero line bar and protective earth bar adopt the self-designed insulation support, characterized by rational structure and better interchangeability;
母线排、零线排、保护接地排采用自行设计的绝缘支架安装，结构合理，互换性强。
youdao
应用推荐
模块上移
模块下移
不移动