High viscosity pump can transport high viscosity, high concentration without solid particles or small soft particles lubricity medium;

高粘度泵可以输送高粘度、高浓度无固体颗粒或细小软颗粒的润滑性介质；

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Fuel pump (unloading pump, high viscosity pump, asphalt pump) gear wear and tear parts mainly is the tooth meshing, involute face and gear ends plane.

燃油泵(卸油泵，高粘度泵，沥青泵)齿轮的磨损部位主要是齿的啮合、渐开线工作面和齿轮两端平面。

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Another problem of the high viscosity pump is driven gear pin easy to wear and tear, especially for conveying without lubrication medium, pin shaft wear particularly fast.

⤤高粘度泵容易出现的另一个问题就是从动齿轮的销轴容易磨损，特别是对于输送没有润滑性的介质时，销轴磨损特别快。

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Sweet light crude oil yields the most gallons of gasoline per barrel of oil and since it has low viscosity and low density, it is comparatively inexpensive to pump, transport, and refine.

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