根据对上海一办公楼建筑通风系统的实测，分析了能量利用系数用于评价自然通风系统运行效果的不合理性。
With the tested result of natural ventilation system in an office building in Shanghai, analyses the irrationality of using the energy utilization coefficient to evaluate natural ventilation.
为降低空调运行费，对该办公楼空调系统进行改造，选用水源热泵。
To reduce operation costs, reforms the air conditioning system in the office building, selects a water source heat pump system.
广泛适用于厂区、办公楼、图书馆、宾馆、餐饮业、物流运输等物料搬运行业。
Noiseless Hand-Trucks are widely used in plants, office buildings, libraries, hotels, restaurants, logistics and other material handling industry.
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