常见例句雙語例句Formulas are given in many mechanical manuals to calculate the tooth thickness at only the reference circle of worm and worm wheel.蝸輪蝸杆的分度圓齒厚在大部分機械手冊中都給出了計算公式，但在其它任意半逕処的齒厚計算很少有資料涉及。 返回 reference circle of worm