double-casing volute pump

英

美

双蜗壳泵

化学

双语例句

• Investigation on the Method for Calculating the Self-priming Performance of the Self-priming Double-casing Volute Centrifugal Pump with Outer Recirculation
  外混式双蜗壳自吸离心泵自吸性能计算方法探讨