The butterfly separation technology is drawn in the separation of solid particles, and the processing method of sludge is given classifiable .
并引人碟式分离技术分离固体颗粒渣，分类给出了残渣处理方法。
Eventually the technology maturity of the butterfly valve is mapped by using the method put forward by this thesis and the software, and the result is discussed.
最后应用所提出的产品技术成熟度预测技术和所设计的软件对我国蝶阀产品的技术成熟度进行了研究，并对预测结果进行了讨论。
R512 type High performance concentric butterfly valvesadvanced foreign technology on the basis of soft contact seat sealing structure multiple can effectively prevent leakage.
R512型高性能无销中线蝶阀在引进国外先进技术的基础上采用轻柔的接触式阀座和优良的多重密封构造能有效防止外漏。
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