常見(jiàn)例句雙語(yǔ)例句In this paper, two kinds of compaction technologies used for the gap semi-open gradation (GSOG) asphalt mixture are introduced.簡(jiǎn)要介紹了間斷半開(kāi)級(jí)配瀝青混合料的兩種壓實(shí)工藝以及壓實(shí)度的過(guò)程控制方法； 返回 gap gradation