冰原（ice field）

Unlike usual hotels，all the rooms in the ice hotels are made of ice.In some ice

[名词解释] 场field

[名词解释] Field Test

____ ice cream in the world is more delicious than American ice cream.A. NotB. N

[单选题]The field coils _____and the armature _____. This is in fact the arrangement adopted for large, heavy duty alternators.A．are stationary / rotatesB．are stationary /is stationaryC．rotate / is stationaryD．rotate / rotates

[名词解释] 规格框（Field）

[单选题]液体防冰原理是将防冰液（）A . 与过冷水混和使混和液冰点高于防冰表面温度防止结冰B . 与过冷水混和使混和液冰点等于防冰表面温度防止结冰C . 与过冷水混和使混和液冰点低于防冰表面温度防止结冰D . 喷洒在玻璃表面形成保护膜防止结冰

[单选题]气压式除冰带的除冰原理是：（）A .阻止冰的形成。B .把结冰熔化。C .破碎所结成的冰。D .使机翼表面只允许结起一层很薄的冰。

[问答题] 世界上最大的大陆冰原？

[名词解释] 冰楔（ice wedge)