The motion of the slack diaphragm is transmitted through a mechanical linkage to an indicating scale.
弱膜片的运动通过联动机构传递给指示刻度盘。
Overload: Dimension of the diaphragm housing is such that the movement of the diaphragm is stopped when the pressure difference exceeds full scale.
过载：当压差超过仪表量程时，隔膜壳的尺寸使得隔膜的运动停止。
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