The result shows that the main properties of the special material pp for fan reach or approach the product specification of the same kind at h...
研究结果表明，PP风扇专用料的主要性能达到或接近于国外同类产品的技术指标。
The result shows that the main properties of the special material pp for fan reach or approach the product specification of the same kind at h...
研究结果表明，PP风扇专用料的主要性能达到或接近于国外同类产品的技术指标。
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