secondary air supply system
secondary air supply system
二次送风系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The structure of spraying drying chamber, filtering chamber, fluid-bed and secondary air supply system has been improved greatly. It can appear the features of spraying drying deeply.
喷雾干燥室、捕集室、流化床及二次供风系统等结构进行了重要修改后，更加贴切的表现出喷雾干燥的特性。
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