The underwater near-site explosion safety control management is expounded in combination with rock blasting for pier footing of the newly built Nos. 15 &16 berths of Dalian New Port Area.是什么意思_The underwater near-site explosion safety control management is expounded in combination with rock blasting for pier footing of the newly built Nos. 15 &16 berths of Dalian New Port Area.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句