plastic and calcium paper
... · 干扰素 interferon · 钙塑纸 plastic and calcium paper · 复合肥料 compound fertilizer ...
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plastic and calcium paper
塑料钙纸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Calcite or marble is crushed, graded, and surface treated to be all kinds of technical natural calcium carbonate with different fineness. It is widely used in rubber, plastic, paint, and paper.
以方解石、大理石经超细粉碎、分级得到系列不同细度的重质碳酸钙，再经表面处理制得重质活性碳酸钙。
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