“packing box seal”的概念、定义、翻译、参考文献-科学参考

单词	packing box seal
释义	packing box seal Encyclopedia 工学往复密封释 packing box seal填料密封通过填料阻塞泄漏通路实现往复或旋转相对运动界面的密封。又称压紧填料密封。
随便看	cross point cross polarization cross-polarization cross pollination cross-pollination cross polytope cross-post cross-power spectrum cross presentation cross prism cross prisms cross product cross-profile cross projection cross projection plane cross propagation Cross ProtectionCross Protection cross quadrilateral cross-question the ballad cross radiative calibration cross ratio cross ratio; harmonic ratio cross reaction cross-reference cross-reference structure

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。