| 1. | The colorimetric methods involve the bleaching of a preformed color by the fluoride ion .
比色法涉及氟离子对预先形成的颜色的消色作用。
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| 2. | Preformed flexible elastomeric cellular thermal insulation
柔性泡沫橡塑绝热制品
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| 3. | Ablation performance of c c composites with different preforms
炭复合材料烧蚀性能
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| 4. | Study on preform of c c composites for aircraft brakes
复合材料坯体结构的研究
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| 5. | Unshaped refractory products . tests for preformed shapes
不定型耐火产品.预成型试验
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| 6. | Road marking materials . preformed road markings
路面标记材料.预制的路面标记
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| 7. | Preformed polychloroprene elastomeric joint seals for bridges
桥用预制聚氯丁
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| 8. | Road marking materials - preformed road markings
道路标记材料.预制道路标记
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| 9. | Study on the compressibility of fabric preforms
织物预成型体的可压缩性研究
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| 10. | Roofing . metal . preformed metallic flashings . requirements
屋顶.金属.预制金属带.要求
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