发布时间:2025-01-17 21:37:18
你用的是双组份的还是单组份的啊,双组份硅胶是一定要加固化剂的,做指纹膜的硅胶是加成型硅胶HF-7509,比例是1:1的,没有两者混合是不会固化的!
包豪斯校舍是如何体现现代主义建筑设计特点它的影响以及历史作用
2025-01-17 21:37:18去朗域装饰他们告诉我他们有个闭口合同的优势装修中做到闭口合同容易吗
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