Cultivation experiments with sand filterpipe 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。
2
The fabrication technology by injecting slurry moulding method for high temperature porous ceramic filterpipe 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。
3
The lexical handler doesn't do much: It simply forwards the events to the next filter in the pipe, but the XSLT processor requires them.