| 1. | Experimental study on recycling of filter s backwashing water 滤池反冲洗水回用的小试研究 |
| 2. | Dly serial automatic back flush filter Dly系列自动反冲洗过滤装置 |
| 3. | A new type of automotive alternator 一种自动反冲洗过滤车的介绍 |
| 4. | Af fully automatically back flushing filter 自动反冲洗过滤机 |
| 5. | Back wash filter for industry water 工业用水自动反冲洗过滤器 |
| 6. | Zfl serial automatic back flush device Zfl系列自动反冲洗装置 |
| 7. | Dly series of automatic self - c Zfl系列自动反冲洗装置 |
| 8. | Back - flushing type unit 反冲洗型装置 |
| 9. | Backsurge disc valve 反冲洗圆盘阀 |
| 10. | By research of mechanism of air and water anti - washout of the porcelain sand filter 本文还对瓷砂滤料气水反冲洗的机理进行了研究。 |