我相信自己这次来错了月份，这种想法在周一晚上再次得到强化，当时，由于工作人员要为机翅膀除冰，我乘坐的飞机在机场停了四个小时之久。
My conviction that I came in the wrong month this time was reinforced on Monday evening when my plane sat on the ground for four hours as staff tried to de-ice the wings.
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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