seal by B-ring

网络释义

1.	B型环密封 seal-英汉词典-英中字典... ... seal brown 深褐色 seal by B-ring [化] B型环密封 seal by arrow-like ring [化]箭形圈密封 ... www.fastdict.net
2.	B形环密封 B形环密封,seal by B... ... ) seal by B-ring B形环密封 ) annular pressure seals 环形密封 ... www.dictall.com

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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。