单词：air film
air film的用法和样例：
例句
- These vessels ride on a cushion of air when in use.这些舰船在开动的时候，是浮在气垫上的。
- It's time to go home, let the air out of the air bed.该回家了，咱们把气垫床的气儿放了吧。
- TLC technique can be successfully applied to reflect film cooling effectual area and cooling effect.利用液晶测温技术可以很好地反映气膜冷却区域及冷却效果等。
- The empiric formulas for calculating slot film cooling effectiveness were derived from the test data according to the turbulence-mixing model.根据湍流混合模型及气膜效率试验数据归纳了计算缝槽气膜冷却气膜效率的经验关系式。
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