In these deputing problems, the traffic source model theory is a current research hot-point.
在这些问题中，有关业务源模型的理论是当前研究的焦点之一。
Water source heat pump; Renewable energy; energy saving; Environment harmless; Heating; Clean hot water.
水源热泵；再生能源；节能；环保；采暖；供冷；卫生热水。
The jacket of the vessel was connected to a circulating hot water source.
容器的夹套与循环热水源相连。
The jacket of the vessel was connected to a circulating hot water source.
容器的夹套与循环热水源相连。
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