air pump barrel

基本解释

Just only need contacts between the air-powered pump and 2" hole of standard barrel to fulfill the functions."
所有功能实现，只需要气力泵与标准桶的一个2“联结?。
The air conveyer is provided with an air amount regulator, and includes an air pump and a connected air pipe with opening to the cooling barrel.
该空气输送装置具有气量调节结构；该空气输送装置包括空气泵和与之相连的空气管，该空气管具有单独的开口通向制冷筒；
ip.com
The utility model relates to a pesticide utensil, which is characterized in that a hand pump, a pressure stabilizing air chamber and a barrel body are combined with each other tightly as integration.
本实用新型是一种农药器具，它的特点是唧筒、稳压气室与桶身三个部件紧密结合成一个整体。
ip.com