结果表明：随淬火温度提高，低温回火脆性区向高温区漂移。
The results show with increasing quenching temperature the brittle temperature of the steel tempered at low temperature brittle temperature moves upwards.
结果表明：随淬火温度提高，低温回火脆性区向高温区漂移。
The results show with increasing quenching temperature the brittle temperature of the steel tempered at low temperature brittle temperature moves upwards.
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