In order to have better probing results from the hydro-geological exploration in North China coal field, ills necessary to have a comprehensive electric magnetic probing method.是什么意思_In order to have better probing results from the hydro-geological exploration in North China coal field, ills necessary to have a comprehensive electric magnetic probing method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句