根据其所利用热源的不同类型，又可分为地热水热泵，大地耦合式热泵和地下水热泵这三种形式。
It can be classed into three different styles as ground heat water heat pump, Ground-Coupled heat pump and Ground-Water heat pump.
根据其所利用热源的不同类型，又可分为地热水热泵，大地耦合式热泵和地下水热泵这三种形式。
It can be classed into three different styles as ground heat water heat pump, Ground-Coupled heat pump and Ground-Water heat pump.
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