We should have solar hot water systems.

我们应当建立太阳能热水系统。

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There are 68 types of rooms, equipped with central air-conditioning and electronic door lock systems, and fire control center, using solar hot water systems and electric auxiliary heating device.

内设中央空调和电子门锁系统以及消防监控中心，采用太阳能供热水系统及电辅加热装置。

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With installation costs high, the customer demand has experienced a strong shift towards having solar hot water heater systems approved.

由于高昂的安装费用，客户的需求已经转向获得认可的太阳能热水器系统。

youdao

The installation of nearly 29, 500 solar pool heating systems and 35, 500 hot water systems.

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Rooftop solar arrays, rainwater catchment systems, a hot water recycling pump, sliding sunscreens, trellises and a few other features are optional upgrades.

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Solar thermal heat is ideal as an auxiliary system to existing furnaces and hot water systems -your furnace or water heater operates exactly the same as it always has, coming on and running in response to thermostat settings to keep your house or water heated to the thermostat setting.

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