A.懸掛式母線槽的吊鉤應(yīng)有調(diào)整螺栓,固定點(diǎn)間距離不得大于3m B.懸掛式母線槽的吊鉤應(yīng)有調(diào)整螺栓,固定點(diǎn)間距離不得大于5m C.母線槽的端頭應(yīng)裝封閉罩,引出線孔的蓋子應(yīng)完整 D.各段母線槽外殼的連接應(yīng)可拆,外殼之間應(yīng)有跨接線,并應(yīng)接地可靠