This study general introduce the basic character of biogas liquid residue and summarize its recently application as mixture of feedstuff, fertilizer, seed Soaking, pesticide and so on.
阐述了沼液的基本性质，并就其作为饲料掺拌剂、肥料、浸种剂、农药等的应用现状做了综述。
This lesson chiefly describes several essential problems of writing an application document for a foliage fertilizer or liquid fertilizer.
这一讲着重介绍叶面肥料或液体肥料发明专利申请文件撰写的几个基本问题。
Application of regular packing and new gas-liquid distributor in the modification of fertilizer plant is reviewed.
论述规整填料和新型气液分布器等塔内件在化肥厂技术改造中的应用。
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