To prevent flying rocks and reduce fugitive dust generation; wire mesh, gunny sack and sandbags shall be used on top of the blast area on each shot.是什么意思_To prevent flying rocks and reduce fugitive dust generation; wire mesh, gunny sack and sandbags shall be used on top of the blast area on each shot.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句