根据国外直升机结冰试验结果，提出了旋翼防冰设计应考虑的因素，可供直升机防冰设计和试验时参考。
By the analysing foreign icing test result, the considered design factors of rotor icing protection are presented, which are used as a reference to helicopter icing protection design and test.
风挡玻璃电防冰和除冰装置、飞机机翼及直升机旋翼电除冰装量都是有内加热的多层壁。
There are multiple layer-walls with internal heater in glass de-icing and de-fogging for windshield or electric de-icing for aircraft wing and rotor.
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