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		<title>奇观 on Infrared Wave Quartz Heaters</title>
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				<title>光学玻璃退火灯</title>
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				<pubDate>Wed, 22 Jul 2026 03:22:25 +0800</pubDate>
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				<description>&lt;p&gt;&lt;img src=&#34;http://ir-wave-qz-heater.com/images/b5656277f58cb00419575fab5c447582.png&#34; alt=&#34;光学玻璃退火灯&#34;&gt;&lt;/p&gt;&#xA;&lt;h1 id=&#34;停止玻璃碎裂为何要在切割前预热玻璃&#34;&gt;停止玻璃碎裂：为何要在切割前预热玻璃&lt;/h1&gt;&#xA;&lt;p&gt;其实，切割玻璃只不过是一种控制物体如何断开的手段罢了。当切割轮在玻璃表面移动时，就会在玻璃上产生应力点。如果玻璃是冷的，那么它断裂时的情况就会很混乱——裂纹不会沿着预定的线条延伸，反而会在边缘形成许多小碎片，使得整个玻璃的边缘看起来很粗糙。&lt;/p&gt;</description>
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