楼四周有四米宽的护楼壕沟,门前设有吊桥通行,其底墙生土掺拌有石灰、红糖,坚固无比。
Around the building is a four-meter-wide trench, in front of which is a suspension bridge, and the bottom wall is the mixture of clay, lime and brown sugar, solid and steady.
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 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.
在泵送混凝土中掺外加剂,能增加拌合物的流动性并降低泵送混凝土坍落度经时损失。
Mixing admixture in the pumped concrete can increase the mobility of mixture and reduce pumped concrete slump loses through time.
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