单词：changement
changement的用法和样例：
例句
- This paper mainly introduced the changement of pyrolysis carbon black surface properties from used tire through further processing.本文主要介绍了废轮胎裂解炭黑经深加工处理后表面性能的变化。
- According to the changement of the rubbery region, the diffusion of solvents in the rubbery region will be a free-boundary problem.由于胶状区域的变化，在胶状区域的溶液扩散将是一个自由边界问题。
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