B, single screw pump before adding buffer tank in pipeline, the buffering can store a certain amount of crude oil, and a current limiting device for mixture pumps supply a certain amount of crude oil.
单螺杆泵前管路中增设缓冲罐，在缓冲罐里储存一定量的原油，并用一套限流装置给混输泵供给一定量的原油。
With the piston pump, diaphragm and gear pumps is different is that single-screw pump can be used for pharmaceutical filling and measurement.
与柱塞泵、单螺杆泵及齿轮泵不同的是，单螺杆泵可用于药剂填充和计量。
The analysis results provide the necessary bases which are benefited for the design and improvement of new screw pump synchronous gear.
计算分析结果为新型螺杆泵同步齿轮的设计和改进提供了必要的依据。
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