| 摘要 |
The enclosure is divided into two chambers (3,4) filled with fluid and interconnected by a hole (6) into which the sensor is fitted. The chambers are bounded by a partition (5) and two external diaphragms (8,9) subjected to different pressures (P1,P2). Two smaller holes (10,11) made into the partition from opposite sides open into a transverse duct (12) occupied by a pointed screw (16) which has two parallel flats (19) enabling the chambers to be filled simultaneously at a balanced pressure.
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