Nowadays the common method for drying vegetables

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Nowadays the common method for drying vegetables and minced meat is ______.

spreading them out on trays in drying yards

dipping them in an alkaline solution

putting them in chambers and blowing hot air through

pouring them over a heated horizontal steel cylinder

Giải thích

Đáp án C
Giải thích: Dẫn chứng " the conventional method of such dehydration is to put food in chambers through which hot air is blown at temperatures of about 110oC at entry to about 45oC at exit. "