“piston ring seal”的概念、定义、翻译、参考文献-科学参考

单词	piston ring seal
释义	piston ring seal Encyclopedia 工学旋转密封释 piston ring seal胀圈密封以胀圈（又称活塞环）作为密封介质的接触式密封。
随便看	optical axis optical axis length of prism optical band gap optical bench optical binary optical biopsy optical biosensors optical bistability optical bistable device optical bleaching optical bleaching agent optical bleaching agent; fluorescent whitening agent optical branch optical breakdown optical brightness optical buffer optical burst optical burst switching，OBS optical cable optical camera optical camouflage optical cavity optical celestial navigation optical cement optical center

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。