The low-pressure relieving device (4) further comprises a driving piece (8) for driving the movable piece (7) to move to the opening position from the closing position.
所述低压解除装置（4）还包括用以驱动所述可动件（7）从所述第一位置运动到所述第二位置的驱动件（8）；
Rated relieving capacity is the flow capacity of a relief device expressed in terms of air flow at standard conditions ( SCFH or Nm3/h).
额定泄放量是用标准状况下的气体体积表示的泄压设施的体积流量。
Regarding as the peculiar product, the medical device has been widely used for disease diagnosing, curing or relieving and health-care recovery and so on.
医疗器械是用于诊断、治疗或缓解疾病以及保健、康复等目的的特殊产品。
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