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    農(nong)(nong)(nong)(nong)業(ye)(ye)生(sheng)產(chan)主要(yao)包括兩(liang)大(da)類:一(yi)類是(shi)(shi)種植養殖業(ye)(ye),即農(nong)(nong)(nong)(nong)產(chan)品(pin)生(sheng)產(chan)業(ye)(ye);另(ling)一(yi)類是(shi)(shi)農(nong)(nong)(nong)(nong)產(chan)品(pin)加(jia)(jia)工(gong)業(ye)(ye)，即通過各種工(gong)程措施將(jiang)我們的(de)(de)(de)農(nong)(nong)(nong)(nong)產(chan)品(pin)生(sheng)產(chan)出的(de)(de)(de)原料加(jia)(jia)工(gong)成供人(ren)們吃、穿(chuan)、用的(de)(de)(de)成品(pin)或半(ban)成品(pin)。農(nong)(nong)(nong)(nong)產(chan)品(pin)加(jia)(jia)工(gong)業(ye)(ye)是(shi)(shi)我國(guo)國(guo)民經濟的(de)(de)(de)一(yi)個重(zhong)(zhong)要(yao)組成部分，它是(shi)(shi)農(nong)(nong)(nong)(nong)業(ye)(ye)生(sheng)產(chan)的(de)(de)(de)繼續、深化(hua)和(he)發展,是(shi)(shi)農(nong)(nong)(nong)(nong)業(ye)(ye)生(sheng)產(chan)與市場(chang)連接的(de)(de)(de)紐(niu)帶,是(shi)(shi)農(nong)(nong)(nong)(nong)產(chan)品(pin)商品(pin)化(hua)不可缺(que)少的(de)(de)(de)重(zhong)(zhong)要(yao)環節。農(nong)(nong)(nong)(nong)產(chan)品(pin)的(de)(de)(de)貯藏保鮮和(he)加(jia)(jia)工(gong)是(shi)(shi)減少農(nong)(nong)(nong)(nong)產(chan)品(pin)的(de)(de)(de)產(chan)后損失，增加(jia)(jia)農(nong)(nong)(nong)(nong)產(chan)品(pin)經濟價值(zhi)，提(ti)高農(nong)(nong)(nong)(nong)產(chan)品(pin)市場(chang)競爭力的(de)(de)(de)有效措施。

絕大多數農產(chan)品(pin)加(jia)工都與烘干密切相關。人們認識到，可長期貯(zhu)存的腌(a)制、熏制食(shi)品(pin)和(he)罐頭(tou)食(shi)品(pin)具有含(han)致癌(ai)因素和(he)營養素嚴重損失的缺點，而經脫水的農產(chan)品(pin)具有無污染、方便(bian)和(he)有益(yi)于健康的特點。

     我(wo)(wo)們(men)的(de)(de)農(nong)產(chan)品烘(hong)(hong)干機設(she)備烘(hong)(hong)干我(wo)(wo)們(men)的(de)(de)物(wu)(wu)料，它在烘(hong)(hong)干我(wo)(wo)們(men)的(de)(de)農(nong)作物(wu)(wu)的(de)(de)時候是，不(bu)需要人員(yuan)進行(xing)看守的(de)(de)，它的(de)(de)烘(hong)(hong)干在于(yu)我(wo)(wo)們(men)烘(hong)(hong)干的(de)(de)時候是由系統這邊進行(xing)控制的(de)(de)，農(nong)產(chan)品烘(hong)(hong)干特性指標,是分析農(nong)產(chan)品烘(hong)(hong)干過程及機理(li)，提出合理(li)烘(hong)(hong)干工(gong)藝的(de)(de)基礎，有助于(yu)設(she)計出節能、環保的(de)(de)烘(hong)(hong)干設(she)備。