On the basis of investigation for the accumulated water in goaf areas in the Tongxin mine field,occurrence of the accumulated water in goaf areas is examined in this paper.是什么意思_On the basis of investigation for the accumulated water in goaf areas in the Tongxin mine field,occurrence of the accumulated water in goaf areas is examined in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句