| 摘要 |
<p>The nozzle (10) comprises a housing (12) consisting of an upper shell (14) and a lower shell (16) defining an interior space extending from an inlet port (17) in the direction of nozzle openings (18,20). The nozzle openings are replaceable between the upper shell and the lower shell, at the time of use. A movable closure element (68) is formed along the outer side of the upper or lower shell for opening or closing the nozzle openings.</p> |
