The external pressure tubular moduel and PS PAN blended membranes were used in the study on the characteristics of hydraulic cleaning in crossflow membrane bioreactor.
采用外压管式聚砜-聚丙烯腈共混超滤膜进行错流膜生物反应器水力清洗特性研究。
The key technology problems for the design of external ball surface lethe, yielding cut hydraulic pressure to lead and low rigidity of the system, were analyzed.
分析了设计外球面车床面临的关键技术问题：液压让刀，系统刚性不足的问题。
The key technology problems for the design of external ball surface lethe, yielding cut hydraulic pressure to lead and low rigidity of the system, were analyzed.
分析了设计外球面车床面临的关键技术问题：液压让刀，系统刚性不足的问题。
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