Reciprocate Pump的用法和样例：
例句
- Characteristic extraction is a key step in the condition monitoring and fault diagnosis of reciprocating pump.
特征提取是往复泵状态监测及故障诊断的关键环节。 - This article proposed one kind of drilling pump that the piston is driven by the ball bearing spiral mechanism.
本文提出的一种钻井泵是由滚珠螺旋机构来驱动活塞进而驱动泥浆的往复泵。
