| 摘要 |
<p>Apparatus for aerating water with fine bubbles comprises a support tube (12) fixed in a holder (8) and which is fitted with a rubber sleeve with narrow slits. Air under pressure is fed between the tube and the sleeve. The outer ends of the sleeve (13, 14) are attached to the support tube by clips (16) and its inner ends are attached to the holder by a second set of clips (17).</p> |
