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Hot melt adhesives are a type of thermoplastic that is liquid when heated but solidifies when cooled.

Bruce 发表于 2024-11-30 16:10:13 [显示全部楼层] 回帖奖励 阅读模式 关闭右栏 0 19
Hot melt adhesives are a type of thermoplastic that is liquid when heated but solidifies when cooled.
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