APPLICATION OF DEEP-HOLE BLASTING WITH A LIGHT BURDEN AND LARGE HOLE-SPACING IN EXPLOITATION OF ROCK MATERIAL FOR EMBANKMENT OF CONCRETE FACE ROCKFILL DAM是什么意思_APPLICATION OF DEEP-HOLE BLASTING WITH A LIGHT BURDEN AND LARGE HOLE-SPACING IN EXPLOITATION OF ROCK MATERIAL FOR EMBANKMENT OF CONCRETE FACE ROCKFILL DAM在线翻译_英语_读音_用法_例句