Then the centuries-old polder method was followed - building and pumps out the water enclosed in order to reclaim the land.
有几世纪的古老的开拓地的方法如下?修建水渠，封闭后再将水用水泵抽干，以用来开垦土地。
Then the centuries-old polder method was followed - building and pumps out the water enclosed in order to reclaim the land.
有几世纪的古老的开拓地的方法如下?修建水渠，封闭后再将水用水泵抽干，以用来开垦土地。
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