| 1. | Reduce lead soldering and implement lead - free soldering
减少使用含铅焊锡，力求无铅焊锡的实用化。 |
| 2. | Tin - lead solder in the manufacture of professional audio equipment
用于制造专业音响设备的铅锡焊料。 |
| 3. | Methods for chemical analysis of tin - lead solders - determination of tin content
锡铅焊料化学分析方法锡量的测定 |
| 4. | Methods for chemical analysis of tin - lead solders - determination of iron content
锡铅焊料化学分析方法铁量的测定 |
| 5. | Methods for chemical analysis of tin - lead solders - determination of zinc content
锡铅焊料化学分析方法锌量的测定 |
| 6. | Methods for chemical analysis of tin - lead solder - determination of bismuth content
锡铅焊料化学分析方法铋量的测定 |
| 7. | Methods for chemical analysis of tin - lead solders - determination of silver content
锡铅焊料化学分析方法银量的测定 |
| 8. | Methods for chemical analysis of tin - lead solders - determination of copper content
锡铅焊料化学分析方法铜量的测定 |
| 9. | Methods for chemical analysis of tin - lead solders - determination of cadmium content
锡铅焊料化学分析方法镉量的测定 |
| 10. | Methods for chemical analysis of tin - lead solders - determination of sulphur content
锡铅焊料化学分析方法硫量的测定 |
