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。

youdao

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。

youdao

High-grade passenger car abroad adopts floating floor with high performance of vibration absorption and sound insulation.

国外高档客车均采用浮筑地板，浮筑地板具有良好的减振、隔声性能。

youdao