現在市場(chang)基本有(you)(you)兩種(zhong)包(bao)(bao)(bao)裝(zhuang)(zhuang)形(xing)式,一(yi)種(zhong)為普通的(de)(de)包(bao)(bao)(bao)裝(zhuang)(zhuang),利用(yong)聚丙稀塑料編織袋(dai)對(dui)大(da)(da)米進行(xing)包(bao)(bao)(bao)裝(zhuang)(zhuang),包(bao)(bao)(bao)裝(zhuang)(zhuang)過程中不(bu)施加(jia)任何的(de)(de)保(bao)鮮(xian)(xian)技(ji)術(shu),這種(zhong)包(bao)(bao)(bao)裝(zhuang)(zhuang)對(dui)于(yu)大(da)(da)米的(de)(de)防蟲及(ji)防霉等方面的(de)(de)效果差。還(huan)有(you)(you)一(yi)種(zhong)是用(yong)真(zhen)空(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)(zhuang)技(ji)術(shu)對(dui)包(bao)(bao)(bao)裝(zhuang)(zhuang)袋(dai)進行(xing)抽(chou)真(zhen)空(kong)(kong)(kong)(kong),真(zhen)空(kong)(kong)(kong)(kong)鈄技(ji)術(shu)對(dui)大(da)(da)米的(de)(de)儲存有(you)(you)較好的(de)(de)保(bao)鮮(xian)(xian)作用(yong),但用(yong)于(yu)大(da)(da)米自身的(de)(de)形(xing)狀及(ji)真(zhen)空(kong)(kong)(kong)(kong)度(du)(du)的(de)(de)選擇并不(bu)合(he)適,目前大(da)(da)米真(zhen)空(kong)(kong)(kong)(kong)包(bao)(bao)(bao)裝(zhuang)(zhuang)選用(yong)的(de)(de)真(zhen)空(kong)(kong)(kong)(kong)度(du)(du)一(yi)般在-0.07~-0.09kPa之間,只要(yao)真(zhen)空(kong)(kong)(kong)(kong)度(du)(du)在范圍內,所出廠的(de)(de)就是合(he)格(ge)產品(pin)。
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