发布时间:2025-01-24 19:32:18
白色密封胶泥最好材质:双组分反应固化型高分子材料。固化前为水溶性的胶泥,固化后坚硬如钢,它综合了胶黏剂、填补剂、刚性修补材料、结构性防水材料的功能,是一种环保型的工程材料。主要的作用是密封墙孔或缝隙。
有很多小饰品是夜晚能发光的比如钥匙扣和荧光棒什么的里面是有荧光粉吗
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