field drain meaning in Chinese
畦沟
田间排水支沟
Examples
- Specification for clayware field drain pipes and junctions
田间排水用陶土管及连接管规范 - Specification for plastics pipes and fittings for use as subsoil field drains
田间地下排水用塑料管和配件规范 - A simple method for calculation of field drain spacing for groundwater level control
控制地下水位的田间排水沟间距简捷计算方法