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梯式灌溉就是一个例子,这种灌溉把地面平整成有坡度的畦田,或水平的格田。
Irrigation terraces made with surfaces that either slope like borders or are level like basins are one example.
youdao
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梯式灌溉就是一个例子,这种灌溉把地面平整成有坡度的畦田,或水平的格田。
Irrigation terraces made with surfaces that either slope like borders or are level like basins are one example.
youdao