在线 丝袜 欧美 日韩 制服_自拍偷拍一区二区三区四区_久久黄色免费网站_久久国产视频精品_精品国产免费久久久久久婷婷_销魂美女一区二区_精品无码一区二区三区的天堂_亚洲欧美另类日本_人妻aⅴ无码一区二区三区_日韩黄色a级片

  Continuous casting is the process of continuously casting high temperature molten steel into billets with a certain section shape and a certain size. The equipment needed to complete this process is called continuous casting complete equipment. The mechanical and electrical hydraulic integration of the casting equipment, the caster body equipment, the cutting area equipment, the dummy bar collection and conveying equipment constitutes the continuous casting core equipment, which is commonly called the caster.