Also, the insulation was replaced to achieve equivalent quality of new houses as to meet the 4th grade energy saving performance evaluation program requirements in Japan.

隔热材料也被替换，使其具有与新住宅相同的质量，符合日本4级能源节约表现评价项目的要求。

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It has solid wood floor of high-grade, health, comfort, but also has the aggrandizement wood floor environmental protection, moisture-proof, insulation and so on, at the same time.

它既拥有实木地板的高档、健康、舒适的感觉，又具有强化木地板的环保、防潮、绝缘等特点，同时。

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Department of the Air Self-cooling, with a small size, light weight, heat insulation, high-grade characteristics.

系空气自冷式，具有体积小、重量轻、绝缘耐热、等级高的特点。

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