by means pf
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以上为机器翻译结果，长、整句建议使用 人工翻译 。
PF-fiber powder mainly composed of oat bran and with the surface of honeycomb-like structure was produced by means of extrusion.
纤维粉以高含膳食纤维的燕麦麸为原料，经挤压膨化处理变性而成，其表面呈显著孔蜂窝状。
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