短語(yǔ)詞組短語(yǔ)ground service bus 地面勤務(wù)匯流條GSB Ground Service Bus 地面服務(wù)匯流條ground -bus s 接地母線(xiàn)ground d bus 接地線(xiàn)ground bus line network 道路公交線(xiàn)網(wǎng)fault ground bus 故障接地母線(xiàn)insulated ground bus 隔離的接地母線(xiàn)electrical ground bus 電氣地面公共汽車(chē) 返回 ground bus