92看片淫黄大片看国产片,黄a在线看,免费看黄色小视频,黄色a免费,国内外精品一区二区三区,免费观看视频一区二区三区,在线观看黄a

The steel wire is two spiral wires of brass wire, which are installed on the shaft of the wire arranging device. When working, the original wire is evenly distributed in a certain way, covered as much as possible on the winding drum, and the original wire barrel is stored or baked. After drying, it can be smoothly retired, it is a key component that directly affects the quality of the original wire.