Gob upper ground fall to be used by coal-stone stowed,cover soil on the surface,can be for used building,or cultivate fishs in the gob upper ground fall formed low-lying land.是什么意思_Gob upper ground fall to be used by coal-stone stowed,cover soil on the surface,can be for used building,or cultivate fishs in the gob upper ground fall formed low-lying land.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句