“gear hobber”的概念、定义、翻译、参考文献-科学参考

单词	gear hobber
释义	gear hobber [`gir ´häb·ǝr] ^{MECHANICAL ENGINEERING} A machine that mills gear teeth; the rotational speed of the hob has a precise relationship to that of the work.
随便看	pitch attitude pitch axis pitchblende pitch circle pitch coal pitch coke pitch cone pitch cylinder pitch diameter pitched roof pitcher plant pitch indicator pitching axis pitching fold pitching moment pitch line pitch mining pitch opal pitch ore pitchover pitch-row pitchstone pit furnace pith pi theorem

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