Polyurethane foam, more stable pressure box, insulation performance is better.
聚氨脂高压发泡，箱体更稳固，保温性能更好。
Box under the bed to provide a stable with some pressure on the Wind Room.
下箱体为床层提供了一个稳定的具有一定压力的风室。
Box under the bed to provide a stable with some pressure on the Wind Room.
下箱体为床层提供了一个稳定的具有一定压力的风室。
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