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In the east zone, pumping the ground water is the only source of water.
抽取地下水是东郊区唯一的供水水源。
youdao
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Underground-water source heat pump is one type of the Ground Source Heat Pump.
地下水是应用地下水水源热泵的前提。
youdao
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Underground-water source heat pump is one type of the Ground Source Heat Pump.
地下水是应用地下水水源热泵的前提。
youdao