The tailings dam in Tonglushan Mine was dammed in quadrilateral on flatland.On March 26, 2004, the sinking of tailings dam on the north happend.是什么意思_The tailings dam in Tonglushan Mine was dammed in quadrilateral on flatland.On March 26, 2004, the sinking of tailings dam on the north happend.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句