| 1. | They may contain toxic substances which have an adverse effect on biological systems . 工业废水中含有对生物处理系统有不良影响的有毒物质。 |
| 2. | The system acts on useful medications in the same way as it does on poisonous substances . 这个系统处理有疗效的药物的方式和处理有毒物质的方式相同。 |
| 3. | Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems . 生物圈内有毒物质的积累,造成了天然生态系统的结构与功能的严重变化。 |
| 4. | Available biodegradable materials for sales includes : - 焚烧时不会释放有毒物质。 |
| 5. | Climate change toxics living planet report 气候转变有毒物质生生不息的地球报告 |
| 6. | Derived from or containing toxic matter 从有毒物质中获得的或含有有毒物质的 |
| 7. | Lead is a powerful poison to small children 铅对小孩子来说是种作用力强的有毒物质。 |
| 8. | Workplace air . determination of toxic substances . collectors 车间空气中有毒物质的测定.收集器 |
| 9. | It may very well be in our water even our food 很有可能这些有毒物质就在我们的水里甚至食物里。 |
| 10. | Analysis on an accident of phosgene poisonous substance leakage 一起光气等有毒物质泄漏事故分析 |