日韩精品网址-日韩精品网站-日韩精品网-日韩精品视频在线免费观看-国产最新在线视频-国产最新网址

橡膠機械刀片一般多為異型刀片,主要有各種齒形平元刀及條型刀。選料:9CrSi、Cr12MoV、W6Mo5Cr4V2、 W18Cr4V等。 Rubber machinery blades for different blades, more commonly mainly include all kinds of tooth shape ping yuan dao and strip. Choose material: 9 crsi Cr12MoV W6Mo5Cr4V2 and W18Cr4V, etc