| 摘要 |
<p>A drip irrigation unit adapted to be assembled with a plurality of like units to define a plurality of emitters (8) connected in series includes, a tubular core section at one end (10), a tubular barrel section (20) at the opposite end for receiving the core section of another like unit and a tubular intermediate section (30) integrally joining the core section and the barrel section, the core section and/or the barrel section being formed with ribs (13) to produce a labyrinth passageway for conducting the water flow therethrough at a low rate when two like units are assembled together with the core section of one unit received in the barrel section of the other unit.</p> |
