The third step is in the hot slide Small Cheliangduan test, the train started charging operation, and then proceed to Huoying Dongzhimen station to the hot line is further testing.是什么意思_The third step is in the hot slide Small Cheliangduan test, the train started charging operation, and then proceed to Huoying Dongzhimen station to the hot line is further testing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句