Screw pump is a kind of rotary pump, when the outlet end is blocked, the pressure will gradually increase, so that more than a predetermined pressure value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
Furthermore, the total pressure along the flow direction reduces gradually, and the corresponding static pressure increases with small gradient, the maximum value occurs at the end of FADS.
沿着流动方向，空气全压均逐渐减小，静压则逐渐增大，但增幅不大，末端处静压复得现象较为明显。
Objective to explore the normal value of left ventricular end-diastolic pressure (LVEDP) and left ventricular diastolic index (LDI) measured by reconstructed impedance cardiogram (RICG).
目的探讨重建心阻抗图测定左室舒张末期压(LVEDP)和左室舒张指数(LDI)的正常值。
Objective To research the suitability of using positive end-expiratory pressure (PEEP) to treat severe asthma and to explore the ideal value of PEEP.
目的探讨使用呼气末正压（PEEP）治疗重症哮喘的适应性及理想PEEP。
Objective To research the suitability of using positive end-expiratory pressure (PEEP) to treat severe asthma and to explore the ideal value of PEEP.
目的探讨使用呼气末正压（PEEP）治疗重症哮喘的适应性及理想PEEP。
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