WX series for centrifugal vortex pumps.
WX系列为离心旋涡泵。
The positive vortex pump overcomes disadvantages of low efficiency, small flow and limited hoisting height of prior vortex pumps.
它克服了现有旋涡泵的低效率、小流量和扬程有限等不足。
The effectiveness of inducers, vortex pumps, and special pump designs for gas extraction for up to 40 percent gas by volume are discussed.
按体积计最多40%的气体的诱导剂，涡旋泵，和特殊的泵的设计，用于气体提取的有效性进行了讨论。
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