It covers the main pump types describes performance characteristics and factors and provides a quick look at how horsepower requirements are calculated.

涉及了主要的泵的类型，描述了性能参数以及影响因素，并提供了如何计算输入功率的简单示例。

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This paper approaches operational requirement, typical pump types, structure difference and service performance of circulation pumps which are the key equipment in vacuum salt making.

本文探讨了真空制盐行业中关键设备循环泵的使用要求，常用的循环泵类型及其结构差异，使用性能，比较其优劣，为循环泵的选型提供参考。

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The matching of photovoltaic pump models and types, and photovoltaic arrays greatly affects the performance of the entire photovoltaic pumping systems.

水泵电机型号、种类的匹配和光伏阵列的选择，对整个光伏水泵系统的性能有很大影响。

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Light, sweet crudes are cheaper to pump, transport, and distill and produce more gasoline per barrel than other types of crudes so it generally goes for more dollars per barrel than others.

FORBES: British Government Faces Up To Peak Oil