该装置包括发热体和线圈，线圈(5)缠绕在发热体(1)的外部，发热体(1)上开有环形槽(6)，以改变热传导方向。
The coil (5) is wrapped on the outside of the heating body (1). The heating body (1) is provided with an annular slot (6), so as to change the heat exchange direction.
该装置包括发热体和线圈，线圈(5)缠绕在发热体(1)的外部，发热体(1)上开有环形槽(6)，以改变热传导方向。
The coil (5) is wrapped on the outside of the heating body (1). The heating body (1) is provided with an annular slot (6), so as to change the heat exchange direction.
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