| 1. | Another reason for banning lead in gasoline is that the lead can ruin the catalytic converter . 禁止汽油里含铅的另一个原因,是铅能损坏催化式排气净化器。 |
| 2. | Treatment of pb2 wastewater by acid - modified bentonite 酸改性膨润土处理含铅废水 |
| 3. | Hygienic standard for lead content of pencil coating 铅笔涂漆层中含铅量卫生标准 |
| 4. | All electronics assemblies using lead in solder 使用含铅焊料的所有电子配件。 |
| 5. | Study on chemical absorption to control lead dust 化学吸收法处理含铅废气工艺的研究 |
| 6. | How can one reduce the risks of exposure to lead 如何减少接触避免接触含铅的产品。 |
| 7. | Chemical analysis of lead . direct determination of lead 铅的化学分析.含铅量的直接测定 |
| 8. | Prohibition of import and marketing of products containing lead 禁止进口和销售含铅产品 |
| 9. | Fill it up with unleaded and check the oil , please 请加满不含铅的汽油,并检查一下机油。 |
| 10. | A : fill it up with unleaded and check the oil , please 请加满不含铅的汽油,并检查一下机油。 |