国产动漫精品一区二区三区,亚洲AV无码乱码国产精品专区,亚洲综合中文字幕一区二区三区,国语AⅤ毛片一区二区三区,精品不卡免费一区二区三区

  suitable for 50mm screw gate following massive, powdery materials for the library to the first switch and adjust the quantity to use, widely used in building materials, metallurgy, chemical and other industries.

  screw gate divided into single, two-way two kinds, two kinds of wheels broke Sprockets. Handwheel for highly 1.7M following, for highly sprocket in 1.7M above operation.

screw gate dimensions table