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在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句