Based on an introduction of the structure, raw materials, and manufacturing technology of the new-type plastic drainage board, an overall experimental study on its performance was made.
在介绍新型热熔整体式塑料排水板的结构、原材料、生产工艺的基础上，对其性能进行了较全面的试验研究。
Jilinnongda geese were used as experimental animals to study the effect of different fiber resources on growth performance of geese.
采用单因子设计，以吉林农业大学白鹅为试验动物，研究了不同纤维源对鹅生长性能的影响。
Experimental study on grinding performance of converter slag is done.
对转炉钢渣粉磨性能进行了实验研究。
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