multi-effect multi-stage (flash) vaporizer 多效多级闪蒸蒸发器 multi-pressure stage 多压级 multi-stage (diffuser type) centrifugal pump 多级离心泵 ..
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multi-stage back pressure type 多级背压式
High pressure by multi-stage impeller 多级叶轮 ; 高扬程
multi-stage pressure relief valve 多级泄压
multi-stage pressure compounded turbine 多压力级涡轮 ; 压力级多级涡轮
multi-stage pressure reducing valve 多级膨胀阀
For use as a transportation fuel, liquefaction is limited by practical difficulties and compression requires high pressure and an expensive multi-stage compression facility.
对于车用而言，液化方法实用性有限而压缩天然气需要高压及昂贵的多级压缩设施。
The characteristics of static pressure changing at stage exits of a multi-stage axial flow compressor relative to the design points at several typical operating modes are investigated.
对多级轴流式压气机在几个典型工况下各级静压相对于设计点静压的变化特性进行了研究。
The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balanced valve.
美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。
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