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	供應(yīng)質(zhì)優(yōu)價廉尼龍增韌劑，PA增韌劑，PA6增韌劑尼龍黑色增韌韌劑：尼龍黑色增韌劑價格便宜，比重小不含填充，與尼龍的相容很好，與PA混合在不影響PA本身物性的前提下提高它的抗沖擊強度	2017-12-19
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