impacting compaction的用法和樣例：
例句
- The principle and effect of impact compaction, and its application in rockfill subgrade is introduced in this paper.
并對沖擊壓實(shí)的作用原理，壓實(shí)功效以及沖擊壓實(shí)在填石路基中的應用作了介紹。 - It is concluded that the impact compaction technology is effective and practical for treatment of collapsible loess subgrade.
因此，沖擊壓實(shí)技術(shù)在處治濕陷性黃土地基中是有效的和實(shí)用的，而且生產(chǎn)效率高，有很好的發(fā)展和應用前景。
