| 1. | Typical filtration efficiency
典型滤波效能 |
| 2. | High filtration efficiency
除尘效率高。 |
| 3. | Filter cartridges - test methods - measurement of filtration efficiency and retention capacity
过滤盒.试验方法.过滤效率和滞流能力的测量 |
| 4. | Test method for determining initial fractional filtration efficiency of a vacuum cleaner system
测定真空吸尘器系统初始部分过滤效率的试验方法 |
| 5. | Standard test method for determining initial , fractional , filtration efficiency of a vacuum cleaner system
测定真空吸尘器系统初始部分过滤效率的标准试验方法 |
| 6. | The main question which often arises concerns the evolution of the pressure drop and the filtration efficiency during the filter clogging
气压逐步小以及过滤器闭合进程中的过滤效率降落是常常呈现的重要问题。 |
| 7. | The main question which often arises concerns the evolution of the pressure drop and the filtration efficiency during the filter clogging
气压逐渐小以及过滤器闭合过程中的过滤效率下降是经常出现的主要问题。 |
| 8. | Diesel fuel and petrol filters for internal combustion engines - filtration efficiency using particle counting and contaminant retention capacity
内燃机用柴油燃料和汽油过滤器.用粒子计数和污物滞留量测定过滤效率 |
| 9. | Full - flow lubricating oil filters for internal combustion engines - filtration efficiency using particle counting , and contaminant retention capacity
内燃机全流量润滑油滤清器.用颗粒计数确定过滤效率,污染抑制能力 |
| 10. | Bfe standard test method for evaluating the bacterial filtration efficiency of medical face mask materials , using a biological aerosol of staphylococcus aureus
用金黄色葡萄球菌的生物气溶胶评定医用面罩材料细菌过滤效果 |
