| 摘要 |
<p>The nozzle of the invention comprises a hollow tubular enclosure (1) in which is provided a hollow tubular chamber (10) coaxial with the enclosure and extending from the yoke (7) to the vicinity of the snout (5) thereof; the chamber (10) is connected through the yoke to a supply network (14) and at its circular front end it is provided with tangential orifices (15) for tangential injection of the cooling liquid on the internal surface of the snout.</p> |
