| 1. | Mr jones : rustproof , dustproof and unbreakable .
琼斯先生：防锈，防尘并且摔不坏。 ” |
| 2. | Discussion on comprehensive dustproof in mine
矿井综合防尘技术探讨 |
| 3. | The design of high performance dustproof , the dinky maintenance
高性能防尘设计，保养维护量极小。 |
| 4. | Mr jones : shockproof , rustproof , dustproof , and unbreakable
琼斯先生：防震，防锈，防尘并且摔不坏。 |
| 5. | 1 dustproof , assured stable oil temperature and reduces oil leak
1防尘确保油温不升高，减少了漏油现象。 |
| 6. | Application of calcium chloride solvent in road dustproof of surface mine
氯化钙溶剂在露天矿冬季道路防尘中的应用 |
| 7. | Dustproof cover 1 set
1张合格证1张 |
| 8. | Stainless steel structure , blow absorption noiseless , dustproof , removable
不锈钢结构减震滑轮静音设计隐式防尘特点可拆卸性 |
| 9. | The bonded warehouse is flooring with carborundum which is wearable , dustproof , and anti - statics
仓库地面采用耐磨金刚砂，耐磨、防尘、防静电。 |
| 10. | Sealed type bearings are mudproof , dustproof , and leakproof ( grease ) without the use of shaft seals
密封型轴承具有防泥、防尘、防漏（脂）性能，无需使用轴密封。 |
