rockfill

英 ['rɒkfɪl] 美 ['rɒkfɪl]

• n. 填石

例句

用作名词 (n.)

1. The principle and effect of impact compaction, and its application in rockfill subgrade is introduced in this paper.
   并对冲击压实的作用原理，压实功效以及冲击压实在填石路基中的应用作了介绍。