短語詞組短語ground bus 接地母線;接地線;接地匯流排;接地干線ground bus line network 道路公交線網(wǎng)fault ground bus 故障接地母線insulated ground bus 隔離的接地母線electrical ground bus 電氣地面公共汽車the ground bus station 地面公交站場(chǎng)fault clearance service ground bus 故障接地母線ground service bus 地面勤務(wù)匯流條GSB Ground Service Bus 地面服務(wù)匯流條 返回 bus ground