The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.
焊后热处理可以较好地改善焊接接头的韧性，但存在耗能大、工时长等问题。
The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.
焊后热处理可以较好地改善焊接接头的韧性，但存在耗能大、工时长等问题。
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