“lower pair”的概念、定义、翻译、参考文献-科学参考

单词	lower pair
释义	lower pair [`lō·ǝr `pǝr] ^{MECHANICAL ENGINEERING} A link in a mechanism in which the mating parts have surface (instead of line or point) contact.
随便看	helium-neon laser helium-oxygen diving helium refrigerator helium spectrometer helium stars Helix helix helix angle helix antenna helix-destabilizing protein Helix Nebula helix tube hellandite Hellas hellbender Heller's test Hellespontus Hellman-Feynman theorem Hell-Volhard-Zelinsky reaction helm Helmert's formula helmet helmet-mounted display helmholtz Helmholtz coils

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