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1·You can attempt frosting as you would a regular cake, but it's much easier and neater to use an icer tip.

你可以试图用玻璃粉做个常规的蛋糕，但是用冷凝器更简洁更方便。

2·The results indicate that the structure of frontal anti icer affects anti icing effectiveness obviously for a hot air anti icing system, the double skin chord direction anti icer I.

飞机发动机防冰对飞行安全具有十分重要的意义，对于热气防冰系统，前缘防冰器的结构型式对防冰的效果影响很大。