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发帖时间:2025-06-17 07:17:23
https://www.tdd-global.com/article-tdd-news/wacker-introduces-optically-bonded-silicone-gel-for-plastic-bonding.html
https://www.tdd-global.com/article-pigments-dyes/the-allure-of-ink-discovering-carbon-black-pigment.html
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