| syq2012 |
2014-09-11 19:59 |
關于美軍標的光潔度問題
*rmC3' }s
;.uYWP|9
美軍標MIL-PRF-13830B中關于麻點的表述有一條如下： H[u9C:}9b
3.5.3.2 Maximum size digs. The permissible number of maximum size digs shallbe one per each 20mm of diameter or fraction thereof on any single optical surface. 6 X~
| |