match with grain
搭配谷物
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It also shows when the plastic grain in WPC is tinier as well as its content proportion reaches 30 percent, the mechanical properties of WPC will match with the standard of MDF.
塑料越细且含量为30 %时复合材料力学性能基本达到中密度板材的力学性能指标。
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