Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/f27bcd1bd6eaf4f3833b6af15ea523f6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 reference circle of worm例句_reference circle of worm英汉例句_reference circle of worm双解例句_伍贰汉英词典
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。