采用水浴加热替代电阻丝直接加热的方案，解决加热不均匀且不容易控制温度的难题。
By using water bath instead of heated resistance wire directly, could solve the problem that it was uneven and uneasy to control temperature.
采用水浴加热替代电阻丝直接加热的方案，解决加热不均匀且不容易控制温度的难题。
By using water bath heating instead of resistance wire heating directly, the puzzle of uneven and uneasy temperature controlling was solved.
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