Conclusion the molecular weight and the distribution of molecular weight of denture base powder obviously affect flexure strength and impact strength of denture base.
结论牙托粉的分子量和分子量分布对义齿基托的挠曲强度和冲击强度有较大影响。
It was shown that the distribution of the type, number and strength of surface base of the three catalysts were different.
结果表明，三种催化剂上表面碱性的类型、强度和数目分布不同。
For this, the author analyzes completely the strength and weakness of the distribution channel in CNPC on the base of its historical evolution.
在这样一个历史背景下，本文根据中石油分销渠道的历史沿革，全面分析了中石油销售分销渠道的优势和不足。
For this, the author analyzes completely the strength and weakness of the distribution channel in CNPC on the base of its historical evolution.
在这样一个历史背景下，本文根据中石油分销渠道的历史沿革，全面分析了中石油销售分销渠道的优势和不足。
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