sand and gravel
短语词组
- sand stratum and gravel bed 砂砾石层
- sand and gravel strata 砂卵石地层
- sand and gravel culture 砂田栽培
- sand and gravel drilling 砂砾石层钻探
- waterin sand and gravel 岩土中的水
- sand and gravel overlay [地质]砂砾覆盖层
- assorted sand and gravel 筛选的砂和砾石
- waste sand and gravel 废砂石
- sand and gravel size 砂石粒径 返回 sand and gravel