电子过热保护。
整机采用电子电路控制，具有温度过热自动阻断保护功能和风机异常停机功能。
The machine adopts electronic circuit control, automatic overheat protection and fan stopped voluntarily.
操作舒适方便，装配过载过热保护装置，多档电子调速恒功开关，保证马达的高效率和耐用性。
Comfortable and convenient operation, assembly thermal overload protection device and multi-file electronic speed constant power switch ensure high motor efficiency and durability.
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