有产权的方法包括防冰的特性，能够防止冰的形成并促进已形成的冰的溶化。
Proprietary formulation contains ice-phobic characteristics to resist forming and facilitating the shedding of ice.
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。
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.
虹吸管是作为船坞灌水排水的一种新型式，具有结构简单、防冰防沙、断流迅速的优点。
As a new type of drainage and irrigation of the dock, siphon has the advantages of simple structure, protection against sand and water and rapid set-off.
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