| 1. | When ejectors are used for pumping this air, attention must be given to minimizing thrust losses .
当采用引射器来抽引冷却空气时，必须注意减少推力损失。 |
| 2. | En 12462 biotechnology . performance criteria for pumps
生物技术.泵的性能标准 |
| 3. | Numerical solution on economical operation for pump station
泵站经济运行的数值解法 |
| 4. | We have placed an order for pumps with a factory
我们已向一家工厂定购泵机。 |
| 5. | Technical specification for pumping construction of concrete
混凝土泵送施工技术规程 |
| 6. | Sieves for pumps and reservoirs for fire fighting
消防用水泵和水槽的过滤网 |
| 7. | Welded mteal - bellows mechanical seal for pump
泵用焊接金属波纹管机械密封 |
| 8. | Decision supporting system for pump time in mine
矿井水泵用电时间控制的决策支持系统探究 |
| 9. | Discussion of cavitation affinity law for pumps
关于空化相似定律的讨论 |
| 10. | Analysis and control of contraction cracks for pumped concrete
混凝土收缩裂缝原因分析与控制 |
