bottom soil
短语词组
- pile bottom off soil 悬桩
- ocean bottom soil sampling 大洋底质调查
- pit bottom soil 坑底土体
- stream bottom soil 河底土壤
- pit bottom soil layer 坑底土层
- culture bottom soil 养殖底泥
- conditions of pile bottom soil 桩端土层条件
- Ponds bottom soil quality improvement 池塘底质改良 返回 bottom soil