dedendum circle

常見例句

雙語例句

• Abstract: this paper designs a measuring instrument which can measure addendum circle and dedendum circle diameter of odd_tooth gears and can define all main parameters of gears.
  文摘：設(shè)計了一種測量工具，用以測量奇數(shù)齒齒輪的齒頂圓和齒根圓直徑，以便確定齒輪的主要參數(shù)。
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