drainage ditch
短语词组
- Drainage open ditch 明渠排水
- Drainage e Ditch 排水溝
- drainage blind ditch 排水盲溝
- design of drainage ditch 排水溝設計
- depth of drainage ditch 排水溝深度
- drainage ditch on raisedridge 畦埂渠溝
- farm drainage ditch 排水毛溝
- certified drainage ditch 郃格排水溝
- surface drainage ditch 地表排水溝 返回 drainage ditch