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【单选题】
(单选)用一定状态的湿空气干燥不同的湿物料,各物料在恒速干燥阶段的干燥速度()
A.
随物料性质的不同而稍有差异;
B.
随物料性质的不同而有很大差异;
C.
是相同的;
D.
不好说。
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B.
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