| 摘要 |
<p>The filter has a metal unit (18) disposed opposite to a side of a fixation base (3) of a body (2), and comprising holes (19) arranged in correspondence with traversing passages. The holes have a circumference against which a fixation unit of filter is supported. A retention unit cooperates with fixation units of a sensor (5), and electrically connects the metal unit with the sensor.</p> |
