| 摘要 |
Device for drop-wise watering for plants, consisting of: a tube and a core inside that tube, characterized in that the core (1) is flattened along its side (3), and on that flat area, overlapping half-partitions (4) are located at right angle against the tube axis (2), whereas the external outline (5) of those half-partitions fits the circular shape of the tube (2) inside thus creating a labyrinth duct with cross-wise located bays.<IMAGE>
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