The manual withdrawal device realizes the withdrawal and discharging on the withdrawal objects by driving the bottom frame and the blowoffvalve to move up and down through the pull rod.
本实用新型通过拉杆 带动底阀、排空阀的上、下运动，实现对抽取对象的抽取排出。
2
Pig valve broken rear foot with a knife, and then every 1 cm bone Hengkan to blowoff even the skin.
将猪后脚用刀破瓣，再每隔1厘米横砍一刀至骨断皮连。
3
The air tank includes the body, safety valve, blow-offvalve, pressure meter and manhole, etc.