The principle of modern flame retardation systems for textiles is discussed. 討論了適用于紡織品的現代阻燃體系的作用原理。
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。