updip pinch out zone 上倾尖灭带
Because of this narrow slot, the pinch zone resists movement of the tube from either the occluding or the flow sections into another section.
由于槽狭窄，收缩区阻止导管从阻塞段或流动段向另一段移动。
The pinch zone includes a pair of curved beams that are formed as a result of apertures formed in the plate at locations laterally outward from the slot of the pinch zone.
收缩区包括因板上收缩区的槽外侧位置横向形成的孔产生的一对曲梁。
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