短語詞組短語distribution net line 配網線路distribution live line works 配電帶電作業(yè)secondary distribution trunk line 二次配電乾線primary distribution trunk line 一次主配電線路distribution main line 配電乾線distribution of line shape 線形分佈distribution on line 配電在線distribution power line 配電線路distribution overhead line 配電架空線路 返回 distribution line