| 1. | Rotary positive displacement pumps - technical requirements 回转容积泵.技术要求 |
| 2. | Rotary positive displacement pumps - technical requirements 回转容积泵技术要求 |
| 3. | Summary of research amp; amp; innovation of volume pump products 容积泵产品研究与技术创新综述 |
| 4. | Rotary positive displacement pumps - performance tests for acceptance 回转容积泵.验收性能试验 |
| 5. | Hydrastatic and leakage tests for positive displacement pump components 容积泵零部件液压与渗漏试验 |
| 6. | Oscillating displacement pump which may achieve a considerably longer trouble - free operation than a conventional diaphragm piston pump 往复式容积泵,有比传统隔膜活塞泵长的多的无故障运行时间。 |
| 7. | The hose diaphragm piston pumps are hermetically sealed , leakproof , oscillating displacement pumps with a unique technical and economical value 软管隔膜活塞泵是严密密封、无泄露往复式容积泵,具有独一无二的技术和经济价值。 |
| 8. | Hydraulic fluid power - dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors - part 1 : inch series shown in metric units iso 3019 - 1 : 2001 液压传动.容积泵和马达的安装法兰和轴伸的尺寸及标注 |
| 9. | Abstract : according to the characteristics of solid - liquid two - phase flow , the equation of motion and the equation of continuity for hammer computation are deduced in this paper . the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps . it is concluded that the air vessel and pressure relief valve are better than other devices 文摘:本文针对固液两相流的特点,建立了水击计算的运动方程及连续方程,并采用新方程对矿山常采用的容积泵输送中使用的储气罐、泄压阀、缓闭逆止阀等减缓水击压力的防护措施进行了计算分析,得出储气罐、泄压阀减压效果最好的结论。 |