封閉母線槽

封閉母線槽主要分為密集型（CCX）絕緣封閉母線槽和空氣型（CKC）絕緣封閉母線槽，母線槽執(zhí)行國家GB7251.2-97母線干線系統(tǒng)（母線槽）標(biāo)準(zhǔn)。

Enclosed bus

The enclosed bus duct is mainly divided into dense (CCX) insulated enclosed bus duct and air type (CKC) insulated enclosed bus duct. The bus duct shall comply with the national GB7251.2-97 bus trunk ?system (bus duct) standard.