| 1. | All these waste materials can sell for money .
这些废品可以换钱。 |
| 2. | The waste material and water carried in sewage .
污水，污物从下水道中排出。 |
| 3. | He made a considerable fortune selling waste materials .
他卖废料发了大财。 |
| 4. | Waste material cannot be drained directly to the outside .
废物不能直接排到外面。 |
| 5. | The waste material is placed in cells with permeable membranes .
废液置于有渗透膜的槽中。 |
| 6. | More research is needed to develop effective and economical methods for ultimate disposal of concentrated waste materials removed from wastewaters .
要进一步研究从废水中去除的浓缩污泥的有效而经济的最终处理方法。 |
| 7. | We don ' t know what to do with the waste materials
我们不知道该如何处理这些废料。 |
| 8. | Do not throw debris or waste materials from height
不要从高处抛掷瓦砾碎片或废物。 |
| 9. | No need to vulcanize and waste materials are recyclable
无需硫化，废料可循环再用。 |
| 10. | He made a considerable fortune selling waste materials
他靠卖废料发了大财 |
