sand and gravel
短语词组
- sand stratum and gravel bed 砂礫石層
- sand and gravel strata 砂卵石地層
- sand and gravel culture 砂田栽培
- sand and gravel drilling 砂礫石層鑽探
- waterin sand and gravel 巖土中的水
- sand and gravel overlay [地質]砂礫覆蓋層
- assorted sand and gravel 篩選的砂和礫石
- waste sand and gravel 廢砂石
- sand and gravel size 砂石粒逕 返回 sand and gravel