国产免费人成在线视频网站7,欧美一区二区三区乱码在线观看,狠狠狠狠综合男女二区三区,波多野结衣av一区二区三,日韩精品中文字幕女主播,一区二区三区在线观看黄色视频,97人人模人人爽人人喊小说,日本无码一级无码成人片日韩

The machine is mainly applied to the packaging of liquid material. The shape of packaging bag refers to four sides sealing or three sides sealing bag. The machine can finish the functions such as unwinding, tension control forming, vertical heat sealing, bag pulling, horizontal heat sealing, cutting off, date printing and photoelectric benchmarking of the plastic film automatically.