Practice shows that in the reconstruction and extension of medium and small chemical fertilizer plants the selection of the built in turbine circulator plays a marked role in stable and high output.
实践表明，在中小氨厂的改扩建过程中，选用内置式透平循环压缩机对稳产、高产将有明显的作用。
This technology is a good way for medium and small nitrogenous fertilizer plants based on lump anthracite to reduce their cost of chemical fertilizers.
该技术是以无烟块煤为原料的中、小氮肥厂降低化肥成本较佳的途径。
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