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pa和pp哪个好|化学视窗
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  • pa和pp哪个好 - pp和pa材质哪个好

    pa和pp哪个好 - pp和pa材质哪个好

    前言:pa材质和pp材质哪个好晚上好,如果看耐磨损性能PA比PP强,耐溶剂PP比PA强,机械强度PP大于PA,弹性模量PA大于PP。看你具体的用途是哪一方面的,各有优...

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