A NEW METHOD OF ROCK-MASS BLASTABILITY CLASSIFICATION AND ITS APPLICATION IN NAN-FEN OPEN PIT IRON MINE是什么意思_A NEW METHOD OF ROCK-MASS BLASTABILITY CLASSIFICATION AND ITS APPLICATION IN NAN-FEN OPEN PIT IRON MINE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句