通过接线板接通电源、定时器及分挡开关。
A power supply, the timer and the gear dividing switch are switched on by the circuit board.
适用于有机物、易燃物及其它物质的低温加热。温度分别由高、中、低三挡开关控制。
Used for low-temperature heating purpose of organic mateial, inflammable and other substance. The temperature is controlled by a "High-Middle Low" selecting switch.
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