Cultivation experiments with sand filter pipe have been carried out to study the effect of different dosage of bentonite on sandy soil fertility.
在沙土上通过沙滤管培养，研究了不同膨润土用量对土壤肥力的影响。
The fabrication technology by injecting slurry moulding method for high temperature porous ceramic filter pipe carrier used for coal purgation was investigated.
采用注浆成型法制备了洁净煤用高温多孔陶瓷过滤管载体。
The fabrication technology by injecting slurry moulding method for high temperature porous ceramic filter pipe carrier used for coal purgation was investigated.
采用注浆成型法制备了洁净煤用高温多孔陶瓷过滤管载体。
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