The MI26 has electrically deiced main and tail rotor blades.

MI26 有动除冰主桨叶和尾桨桨叶。

The authors of this paper postulate that this could be due to using salt to deice roads.

这篇论文的作者假设这可能是由于使用盐对道路除冰造成的。

Well, in 2018 in the United States, I learned that 43 percent of the salt consumed in the US was used for road salt deicing purposes.

好吧， 2018 年在美国，我了解到美国消耗的盐中有 43% 用于道路盐除冰。

The triangles signal to the crew which windows have the best view of the wings in case a flap malfunctions or to check to see if they've been deiced.

这些三角形向机组发出信号，如果襟翼发生故障，哪扇窗户是观察机翼的最佳位置，或者检查它们是否被除冰。