hot-air balloon热气球;热气球飞行器图片
hot-air drying热风干燥;热风烘燥
hot-air kiln热风干燥室
hot-air dryer热风烘房
hot-air generator热风机
hot-air ageing热空气老化
hot-air soldering[机] 热空气钎焊
hot-air dry热空气干燥
hot t air balloon热气球
The technology of dehydrating wild rice stem using microwave energy in combination with hot air diying was investigated preliminarily.
利用微波能结合热风干燥对茭白脱水的工艺进行了初步研究。
参考来源 - 脱水茭白加工工艺研究 Study on processing technology of dehydrating wild rice stemN-UNCOUNT（不可数名词） If you say that someone's claims or promises are just hot air, you are criticizing them because they are made mainly to impress people and have no real value or meaning. 空话; 夸夸其谈 [非正式]
His justification for the merger was just hot air.
他提出的合并理由只是连篇空话。