[求助]PMMA研磨有那些注意事项？

p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"font size="3"font color="#333333"span lang="EN-US" style="mso-fareast-font-family: SimSun; mso-fareast-language: ZH-CN;"font face="Arial Unicode MS"MMA/font/spanspan lang="ZH-CN" style="FONT-FAMILY: SimSun; mso-fareast-language: ZH-CN; mso-ascii-font-family: 'Arial Unicode MS'; mso-hansi-font-family: 'Arial Unicode MS';"研磨有那些注意事项？/span/font/font/pspan lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: #333333; FONT-FAMILY: SimSun; mso-fareast-language: ZH-CN; mso-ascii-font-family: quot;Arial Unicode MSquot;; mso-hansi-font-family: quot;Arial Unicode MSquot;; mso-bidi-font-family: quot;Arial Unicode MSquot;; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"我在试磨一个平面镜，材质/spanspan lang="EN-US" style="FONT-SIZE: 12pt; COLOR: #333333; FONT-FAMILY: quot;Arial Unicode MSquot;; mso-fareast-font-family: SimSun; mso-fareast-language: ZH-CN; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"MMA/spanspan lang="ZH-CN" style="FONT-SIZE: 12pt; COLOR: #333333; FONT-FAMILY: SimSun; mso-fareast-language: ZH-CN; mso-ascii-font-family: quot;Arial Unicode MSquot;; mso-hansi-font-family: quot;Arial Unicode MSquot;; mso-bidi-font-family: quot;Arial Unicode MSquot;; mso-ansi-language: EN-US; mso-bidi-language: AR-SA;"，但是光圈一直都不漂亮，请个位高手可指点一下，拜托…/span

[此贴子已经被作者于2006-7-27 14:16:21编辑过]