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 air conditioning unit is shown schematically on Page 2.
第二页上所示的是空调装置的简图。
Too hot because the rattling air conditioning unit was usually blowing out hot air.
很热是因为嗡嗡作响的空调通常只吹热风；
Too hot because the rattling air conditioning unit was usually blowing out hot air.
很热是因为嗡嗡作响的空调通常只吹热风；
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