A级黄片,a级特黄的片子,a级黄毛片免费,日本国产

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        孔梁、圓條

        孔梁、圓條

        摘要說明 :

        在曰用瓷燒制時,碳化硅孔梁、圓條、方條來替代傳統的爐具,可節省20-30%的燃氣,并且使用方便, 能更有效的利用窯爐空間。

        詳情:

        在曰用瓷燒制時,碳化硅孔梁、圓條、方條來替代傳統的爐具,可節省20-30%的燃氣,并且使用方便, 能更有效的利用窯爐空間。
        In the process of burning household porcelain,using the SISIC apertured beam,round bar and square bar to replace the traditional kiln tools.it would save 20%-30% gas, the kiln space can be used more effectively,and more concenient.

        A级黄片,a级特黄的片子,a级黄毛片免费,日本国产
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