聚氨酯硬泡是一种理想的有机质低温隔热材料。

Polyurethane Hard Foamed Plastic is an ideal kind of organic low temperature heat insulation material.

youdao

聚氨酯硬泡是一种理想的有机质低温隔热材料。

Polyurethane Hard Foamed Plastic is an ideal kind of organic low temperature heat insulation material.

youdao