1.
Effect of Rainfall Runoff on Nitrogen and Phosphorus Loss in Farming Drainage Ditch
降水对农田排水沟渠中氮磷流失的影响
2.
Interception and Removal Effection of Agriculture Drainage Ditch on Nitrogen and Phosphorus;
农田排水沟渠对流失氮、磷的截留和去除效应
3.
Comparison on Removal of Nitrogen and Phosphorus form Hibernal Farmland Drainage by Three Kinds of Ditches
三种类型农田排水沟渠氮磷拦截效果比较
4.
ditch the land to drain it.
在陆地上挖沟渠来排水。
5.
A Study on Salt Transport in Saline Soil Under Drainage Condition
农田明渠排水条件下土壤水盐运移规律研究
6.
Spatial Variability of Field Ditches Water Quality in the Mixed Area of Suburban Residents and Farmland
城郊居民农田混合区田间沟渠水质空间变异特征研究
7.
A land drain is usually a pipe buried in farm land but it may also be an open channel.
农田的排水系统通常是埋在农田中的管子，但也可以是明渠。
8.
malodorous drains, ditches, bogs, etc
臭气熏天的排水沟、 沟渠、 沼泽等.
9.
The fields are crisscrossed by irrigation canals and ditches.
田野上沟渠纵横 。
10.
A ditch diverted water from the stream into the fields.
一条沟渠把水从河里引向田间。
11.
They dug channels to bring in water from the Grand Canal to irrigate the rice fields.
他们挖掘沟渠从大运河引水灌溉稻田。
12.
A ditch diverted the water from the stream into the fields.
一条渠沟把水从河里导入田间。
13.
A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line.
沟渠，排水沟，水道在地面上狭长的沟渠或细沟，用于灌溉、排水或用作分界线
14.
"ditch:a long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line."
"沟渠,排水沟,水道:在地面上狭长的沟渠或细沟,用于灌溉、排水或用作分界线."
15.
There' s a channel in the middle of the old street to help rainwater flow away.
旧街道的中央有一条沟渠来排放雨水。
16.
What is amazing is that if there was surplus water in the fields or the water channels, it could also be diverted back to a pond and then to the Yellow River.
最奇妙处，则是支渠，水沟灌入农田之水，如有盈余，仍有水道转纳湖泽，或再由湖泽泄入黄河。
17.
The place with conditional every, infrastructure of best union irrigation and water conservancy repairs channel to dig canal introduce water the village.
凡有条件的地方，最好结合农田水利基本建设修沟挖渠将水引入村寨。
18.
The farmers dug ditches in the rain to lead away the flow.
农民们冒雨开沟排水。