| 摘要 |
<p>A dispensing head (3) is mounted on an actuating body (2) so as to be slidable to respective first and second dispensing positions in which respective first and second outlet passageways (16a, 16b) in the head (3) receive pressurised fluid from an outlet valve (10) on a container (5) when the body (2) is moved to open the valve.</p> |
