Decay resistance patch-pressure gauges for measuring corrosive to a certain extent, viscosity, no crystallization of liquids and gases pressure.
耐腐膜片压力表适用于测量有一定腐蚀性、粘度大、无结晶的液体和气体的压力。
Viscosity: viscosity is the crude oil in the flow caused by the internal frictional resistance, crude oil viscosity depends on temperature, pressure, dissolved gas and its chemical composition.
粘度：原油粘度是指原油在流动时所引起的内部摩擦阻力，原油粘度大小取决于温度、压力、溶解气量及其化学组成。
The influence of liqUid viscosity upon a centrifugal pump's Performance curve and device resistance curve is ana-lynd.
分析了液体粘性对离心泵性能曲线与装置阻力曲线的影响。
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