Warning: file_put_contents(): Only 0 of 7403 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/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_开心英文字典_柠咚词
Formulas are given in many mechanical manuals to calculate the tooth thickness at only the reference circle of worm and worm wheel. 蜗轮蜗杆的分度圆齿厚在大部分机械手册中都给出了计算公式，但在其它任意半径处的齿厚计算很少有资料涉及。