| 摘要 |
A dropper is mounted on the account of a nipple union on a piping and comprises a regulated element as a membrane, made in a shape of a cup, a nipple union at the inlet end has a hollow, and the membrane is made such that it embraces a nipple on the side of the piping and is equipped by a cone valve. Water intake is arranged at the level of the middle of an irrigation piping and made as a flexible spout. |
