泵口 meaning in English
pumping hole
Examples
- The construction of the control ring seal for the coal gas wash pump was improved , the seal function and capacity efficiency of pump was increased adopting the stainless steel cone control ring , the industry stability and economy energy was obtained
摘要对煤气洗涤泵口环密封结构和材料进行改进，采用圆锥形不锈钢口环，提高了密封性能和泵容积效率，工业运行稳定，节省了电源。