发布日期 ： 2019-10-29 01:01:21 UTC
分类 ： Material
<img src="http://drr.ikcest.org/static/upload/24/24cc2ad0-ee35-11e9-ae68-00163e0618d6_m.jpg" />
Input data:
Hole diameter (D): 8
Center spacing (S): 3
Click Calculate to output the data:
Opening ratio (OA): 11107.013%
Per square inch: 0.222 holes