“H形垫圈”概念、定义、翻译-科学时代

单词	H形垫圈
释义	工程与技术词汇手册 H-ring H形垫圈
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科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

H-ring