DEMOLITION OF A SEVEN-STOREYED BUILDING WITH HOLLOW-BRICK AND CONCRETE STRUCTURE BY LONG DELAY INTERVAL BLASTNG AND TWO-DIRECTIONAL COLLAPSING是什么意思_DEMOLITION OF A SEVEN-STOREYED BUILDING WITH HOLLOW-BRICK AND CONCRETE STRUCTURE BY LONG DELAY INTERVAL BLASTNG AND TWO-DIRECTIONAL COLLAPSING在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句