发布时间:2025-01-17 21:38:46
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!
农村家用电线主线用多少平方 农村自建房电路安装的注意事项有哪些
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