As the drift in Tuoshan work area of Jinzhushan Coal Mine was flooded while drifting, it was needed to block the water by grouting.是什么意思_As the drift in Tuoshan work area of Jinzhushan Coal Mine was flooded while drifting, it was needed to block the water by grouting.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句