The effect of heating time, voltage and position on the temperature were studied.
研究了加热时间、电压和空间位置对温度的影响规律。
If the assembly has a low-voltage switch, ensure the switch is in the on position.
如果装置中有一个低压开关，确保开关处于接通位置。
If the assembly has a low-voltage switch, ensure the switch is in the on position.
如果装置中有一个低压开关，确保开关处于接通位置。
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