gravel
短语词组
- fine gravel [地質]細礫;細礫石
- gravel beds 礫石層的
- gravel mill 卵石磨
- clay gravel 粘土礫石層;粘土礫石
- crushed gravel 壓碎礫石;碎礫石
- river gravel 河礫石;河礫
- gravel packing 礫石充填;礫石過濾層
- gravel shoulder 礫石路肩
- filled gravel 填礫
- gravel layer 礫石層;疏水石
- sandy gravel 砂礫石,砂質礫石
- gravel pack 礫石過濾層
- gravel road 碎石路
- sand gravel 砂礫石 返回 gravel