The shell is arranged around the hollow-fiber membrane or capillary membrane and the aerationdevice is arranged at the bottom of the shell.
外壳设在中空纤维膜或毛细管膜周围，爆气装置位于外壳的底 部。
2
After the device drinks the aeration drink in a big bottle for a plurality of times, the air in the residual drink in the big bottle can not escape.
该装置可在多次饮用大瓶里的充气饮料后，大瓶里剩余饮料里的气不会逃逸。
3
The invention also provides an aeration zone press-in device dedicated to the construction technology of the invention, comprising an insert piece and a press piece;