发布时间:2025-01-17 22:09:14
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!
在酒店工作怎么可能靠工资买起房子有没有什么业余时间赚钱的工作
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