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    April 25, 2022

    各种材质滤板的优缺点 1:目前常用的是PP聚丙烯,即高分子聚丙烯。这种材料对各种酸碱有很好的抵抗力,...

    ¥450,000.00 (Negotiable)

    Hongguan Business, No. 73 Tianshan Street, Yuhua District, Shijiazhuang City, Hebei Province, China
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