不得对热处理过的玻璃使用刀片。

Don't use a razor blade on tempered glass.

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他正在切割热处理过的钢板。

He is cutting the steel plate that the heat treatment is crossed.

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金属热处理过程其实是一系列具体的操作，通过这些操作加热与冷却金属，但加热时进行控制，使得金属不达到熔融的状态。

The process of heat treating is the method by which metals are heated and cooled in a series of specific operations that never allow the metal to reach the molten state.

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