求翻译：原设计采用全新风风冷恒温恒湿空调系统，空调机自带空调冷源、加湿器，冬季热源由空调机组内部的辅助电加热器提供。此系统与总包单位提供的空调系统方案（风冷螺杆热泵冷水机组+组合式空气处理机）相比有以下几个优点：①总投资费用低；②系统简单，施工周期短；③占用面积小，不需雇用专人进行管理；④系统后期维护费用低。是什么意思？

The original design with a new wind air-cooled air-conditioning systems of constant temperature and humidity, the air conditioner comes with air conditioning cold source, humidifier, winter heat source provided by the electrical heater inside the air conditioning unit. Has several advantages compare

The original design with the new air-humidity air-cooled air-conditioning system, air-conditioning unit with air-conditioning cold source, humidifier, and winter heat from inside the air conditioning units provide auxiliary electric heater. This system provided with the package units for the air con

The original design uses the entire new atmosphere forced-air cooling constant temperature constant humidity air-conditioning system, the air conditioner bringing air conditioning heat sink, the humidifier, the winter heat source provides by the air conditioning unit interior auxiliary electric heat

Original design with the new wind cold constant temperature and humidity air conditioning system, air conditioner with air conditioning cold source, humidifier, winter heat provided by the auxiliary electric heater inside the air conditioning unit. This system with the total package units to provide

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