| 1. | Iodine derivatives are ineffective since they tend to form molecular iodine which is a powerful retarder . 碘的衍生物是无效的。因为它有形成分子碘的倾向,而是强的阻聚剂。 |
| 2. | Theory of oblique - incidence achromatic phase retarder 斜入射消色差相位延迟器原理 |
| 3. | A study on the application of electric vortex retarder 电涡流缓速器的应用研究 |
| 4. | Compression release cam design of engine retarder 发动机缓速器减压凸轮的设计 |
| 5. | Civil construction of the retarder factory building 减速机厂房土建工程 |
| 6. | A retarder for heavy off - road vehicle 一种应用于重型越野车的下坡减速器 |
| 7. | Q the practice of retarder in . . . . . Aus紧急疏散与应急灯的区别 |
| 8. | Realization and type analysis for loos coguheel straight line retarder 活齿直线减速器的形成及型分析 |
| 9. | Gypsum for portland cement retarder 硅酸盐水泥缓凝剂用石膏 |
| 10. | Experience of improvement of compatibility of cement and water retarder 水泥性能与减水剂相容性改善体会 |