Different copper levels had significant effect on color, shape and water content of manure.
并且不同铜水平日粮对猪的粪便颜色、形状、含水量等产生了明显的影响。
Maturity has great effect on grinding degree when water content is more than 20%.
含水量大于20%时，腐熟度对粉碎度的影响增强。
Maturity has great effect on grinding degree when water content is more than 20%.
含水量大于20%时，腐熟度对粉碎度的影响增强。
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