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【单选题】
恒定干燥条件下用热空气干燥干燥热敏性物料时,且属于降速干燥阶段,欲缩短干燥时间,可采取的有效措施是( )。
A.
提高空气流速
B.
提高空气温度
C.
降低空气相对湿度
D.
增大干燥面积,减薄物料厚度
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