| 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。
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| 2. | Theory of oblique - incidence achromatic phase retarder
斜入射消色差相位延迟器原理
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| 3. | A study on the application of electric vortex retarder
电涡流缓速器的应用研究
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| 4. | Compression release cam design of engine retarder
发动机缓速器减压凸轮的设计
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| 5. | Civil construction of the retarder factory building
减速机厂房土建工程
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| 6. | A retarder for heavy off - road vehicle
一种应用于重型越野车的下坡减速器
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| 7. | Q the practice of retarder in . . . . .
Aus紧急疏散与应急灯的区别
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| 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
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| 9. | Gypsum for portland cement retarder
硅酸盐水泥缓凝剂用石膏
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| 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
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