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Presents the water quality control measures for central air conditioning systems during installation and commissioning periods.
介绍了集中空调系统安装调试阶段的水质控制方法.
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Alice : Well, I'm going to move out anyway. The new apartment has central air - conditioning .
反正我就要搬到别的地方了. 新的公寓 空调装置 比较好.
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