| 1. | A filter traps dust from the air . 过滤网可存住空气中的尘埃。 |
| 2. | I had to go all the way to town for that filter 我得赶很多路去镇上买过滤网 |
| 3. | Sieves for pumps and reservoirs for fire fighting 消防用水泵和水槽的过滤网 |
| 4. | Use air cleaner filter mesh to save dishes from dust 使用空气滤清过滤网,碗盘不沾尘 |
| 5. | These use carbon or mesh to catch impurities 这些过滤器运用碳元素或过滤网来除去杂质。 |
| 6. | These use carbon or mesh to catch impurities 它们是利用活性炭或者过滤网来捕捉杂质的。 |
| 7. | A filter traps dust from the air 过滤网可存住空气中的尘埃 |
| 8. | High - quality stainless steel scale filter for optimum water quality 高级不锈钢过滤网,有助保持水质纯净 |
| 9. | Filtering or rating of online content by governments is unacceptable 政府不得遮罩或者过滤网际网路上的内容。 |
| 10. | Ffu fan filter units 风扇过滤网组 |