短語詞組短語catenary overhead contact line 鏈線架空接觸線inclined overhead contact line 斜鏈形懸掛的架空接觸線rigid overhead contact line 剛性架空接觸網(wǎng)double overhead contact line 雙架空線接觸網(wǎng)eclectrified overhead contact line 電接觸網(wǎng)single overhead contact line 單架空線接觸網(wǎng)branch overhead contact line 分支接觸網(wǎng)OVERHEAD CONTACT LINE WITH CATENARY 鏈形懸掛innovation of overhead contact line 接觸網(wǎng)改造 返回 overhead contact line