irrigation zone

• 灌区

irrigation zone的用法和样例：

例句

1. Present Conditions and Thinking of Canal Lining in Luohuiqu Irrigation Area.
   洛惠渠灌区渠道衬砌现状与思考。
2. Based on the investigation and research in Shijiazhuang, the losses of wastewater irrigation are estimated.
   以石家庄市污灌区的调研为基础，对污水灌溉造成的经济损失进行了估算。