将玻璃管加热到能弯曲的程度。

Heat the glass tube to the point that it can bend.

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燃油加热是玻璃生产行业燃油燃烧系统中的一个必要环节。

Fuel heating is a necessary step of fuel combustion system in glass industry.

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如此，确保了玻璃板被均匀地加热。

This ensures uniform heating of the glass plate.

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如此，确保了玻璃板被均匀地加热。

This ensures uniform heating of the glass plate.

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