The principle of modern flame retardation systems for textiles is discussed. 討論了適用於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. 並對衝擊壓實的作用原理,壓實功效以及衝擊壓實在填石路基中的應用作了介紹。