pock forming unit

例句：

1. 1. The pock forming unit is responsible forthe formation of the pocket.
   口袋形成单元负责形成口袋。
2. 2. The pock forming unitis a crucial component in the design ofthe pocket.
   口袋形成单元是设计口袋时的关键部件。
3. 3. The pock forming unit canbe used to create various types of pockets, such as zippered and buttoned ones.
   口袋形成单元可以用来制作各种类型的口袋，如拉链式和扣式口袋。