Air conditioning installation, maintenance personnel will be is to do each.
空调安装，这是每个维修人员都会做的。
One, in the installation of central air-conditioning, the choice of professional installation company.
在安装中央空调时，选择专业的安装公司。
The system function 30% what reasonable design, 20% what air conditioning unit, 50% what installation quality quality.
系统功能30%在于设计合理，20%在于空调机组质量，50%在于安装质量。
The system function 30% what reasonable design, 20% what air conditioning unit, 50% what installation quality quality.
系统功能30%在于设计合理，20%在于空调机组质量，50%在于安装质量。
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