| 摘要 |
In a water sprinkler device having a nozzle housing and an outlet aperture of said housing; a nozzle unit comprising, a resiliently flexible annular member, a resiliently flexible intermediate tubular portion and a nozzle outlet tube, the annular member merging continuously with the outlet tube via the intermediate tubular portion and defining with the outlet tube and the intermediate tubular portion a continuous bore, the outlet tube extending through the outlet aperture of the housing, the annular member being located within the housing so as to abut a rim of the outlet aperture. |
