LGJK-300/50 expanded ACSR will be used for the first time in the 750V power transmission project in the Northwest Power Grid.是什么意思_LGJK-300/50 expanded ACSR will be used for the first time in the 750V power transmission project in the Northwest Power Grid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句