A weak loose blasting is adopted to successfully demolish the jamb wall of wall at edge of slope, the blasting safety is ensured in a complex environment.是什么意思_A weak loose blasting is adopted to successfully demolish the jamb wall of wall at edge of slope, the blasting safety is ensured in a complex environment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句