| 1. | Vapour lamps can be used since they produce light of different characteristic wavelengths . 可以采用汽灯,因为此种灯能产生具有不同特征波长的光。 |
| 2. | Marine ballasts for high pressure mercury vapour lamp 船舶用高压汞蒸气灯镇流器 |
| 3. | Low pressure sodium vapour lamps - performance specification 低压钠蒸气灯.性能规范 |
| 4. | Low pressure sodium vapour lamps - performance specifications 低压钠蒸汽灯.性能规范 |
| 5. | Ballasts for high pressure mercury vapour lamps 高压汞蒸汽灯镇流器.修改件2 |
| 6. | Low pressure sodium vapour lamps - performance specifications 低压钠蒸气灯.性能规范 |
| 7. | High pressure mercury vapour lamps - performance specifications 高压汞蒸汽灯.性能规范 |
| 8. | High - pressure mercury vapour lamps - performance specifications 高压汞蒸气灯.性能规范 |
| 9. | High pressure mercury vapour lamps - performance specifications 高压汞蒸气灯.性能规范 |
| 10. | High pressure sodium vapour lamps ; amendment 10 高压钠蒸气灯.第10次修订 |