| 1. | Knowledge in waterproof ， dust proof and sealing
具有防水、防尘和密封方面的知识。 |
| 2. | Regulations of dust control for refractory enterprises
耐火材料企业防尘规程 |
| 3. | Mr jones : rustproof , dustproof and unbreakable .
琼斯先生：防锈，防尘并且摔不坏。 ” |
| 4. | Defend the baldheaded life span of design , extension
防尘设计，延长光头寿命 |
| 5. | Green all of the environmental protectionses of defend the design
绿色环保全防尘设计 |
| 6. | General rules of dust test for automobile parts
汽车零件防尘试验的通用规则 |
| 7. | 1 . fully transparency , dust and scratch proof
1 .全透明不反光防尘不易刮花 |
| 8. | Sc 3000 provides resistance to dust and moisture
坚固的设计能防尘防水。 |
| 9. | Japanese of adoption all of the defend the machine
采用日本索尼全防尘机芯 |
| 10. | Code of dust and poison control for lead smelting
铅冶炼防尘防毒技术规程 |
