| 摘要 |
The sprayer which transforms droplets into micro-bubbles comprises a spray head (1) which produces a droplet cone (C). The head is surrounded by a convergent-divergent pipe (4,5) whose neck is near the top of the cone. Between the neck and the cone top is an annular gap (6) for the passage of an induced peripheral air current. The divergent part of the pipe has an angle equal to the angle at the top of the spray cone.
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