The rate of flat type was low whatever method was used.
任何检查方法对平坦型显示率都很低。
The material has quite high molecular weight and is in a non-flat type spatial structure.
这类材料的分子量较大，并具有非平板型空间结构。
The material has quite high molecular weight and is in a non-flat type spatial structure.
这类材料的分子量较大，并具有非平板型空间结构。
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