发布时间:2025-01-30 14:49:40
pvc板热稳定性不好,低温下变硬脆化,高温下易软化松驰,并且加工性能不好,容易变形。
PVC板是以PVC为原料制成的截面为蜂巢状网眼结构的板材。用PVC板做雕花吊顶成本较高。
昌平县城 在哪买房子比较好 临近未来地铁 孩子上学方便 一直在线等待 感激不尽
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