短語(yǔ)詞組短語(yǔ)overhead electrical power line 架空電力線Overhead power transmission line 架空輸電線路incoming overhead power line 進(jìn)線架空電力線overhead power line fitting 線路金具overhead circulating power transmission line 架空運(yùn)行線路overhead power transmission line system 架空輸電線路high -tension-overhead power line 高壓架空電力線路overhead contact line power supply 接觸網(wǎng)受流 返回 overhead power line