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	<title>评论：半圆钻头磨法（上）</title>
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		<title>来自：yilin</title>
		<link>http://blog.yispeed.com/how-to-make-a-half-bit.html/comment-page-1#comment-1210</link>
		<dc:creator>yilin</dc:creator>
		<pubDate>Tue, 11 May 2010 15:11:48 +0000</pubDate>
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		<description>回复［吴俊］：
你好！我平时磨两级钻和磨一级是一样的方法。只是你要先把圆棒磨（车）成两级大小，然后厚度磨掉一半。</description>
		<content:encoded><![CDATA[<p>回复［吴俊］：<br />
你好！我平时磨两级钻和磨一级是一样的方法。只是你要先把圆棒磨（车）成两级大小，然后厚度磨掉一半。</p>
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		<title>来自：吴俊</title>
		<link>http://blog.yispeed.com/how-to-make-a-half-bit.html/comment-page-1#comment-1196</link>
		<dc:creator>吴俊</dc:creator>
		<pubDate>Sun, 25 Apr 2010 13:57:52 +0000</pubDate>
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		<description>版主 你好，请问半圆钻两级钻怎么磨？第二级和第一级的磨法一样吗？谢谢拉</description>
		<content:encoded><![CDATA[<p>版主 你好，请问半圆钻两级钻怎么磨？第二级和第一级的磨法一样吗？谢谢拉</p>
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