但是，工作人员已开始修复裂纹玻璃。

But work crews had begun to tape up the cracked glass.

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当与其它界面相接触时，玻璃的表面就会产生微裂纹，即使是水蒸汽或者二氧化碳也会带来微裂纹。

Tiny cracks begin to form through contact with other surfaces, or even with water vapor and carbon dioxide.

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通过该模型，对钢化程度、玻璃厚度以及裂纹尺寸对玻璃强度和裂纹扩展的影响进行了讨论。

By using the model, the effects of tempering degree and glass thickness, as well as the crack growths are discussed.

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