irrigated area的用法和樣例：
例句
- Present Conditions and Thinking of Canal Lining in Luohuiqu Irrigation Area.
洛惠渠灌區渠道襯砌現狀與思考。 - The key research topics for addressing the secondary saline-alkalization in the irrigation area were suggested in the end.
最後，在綜合分析的基礎上，提出了基於可持續灌溉農業和遏制灌區農業副效應目標下的對策與建議。
