| 摘要 |
<p>A drip emitter pipe that consists of an external pipe No. 1 that has water outflow holes at intervals No. 7, and of an internal pipe inside the former along its whole length, which has at intervals a meandering shape No. 3. The purpose of the meander is to force the water to flow through its channels before coming out of the external pipe in a dribble form, watering the ground where it has been placed.</p> |
