名词
中文翻译：活塞泵
同义词：
['runner pump', 'reciprocating pump']
例句：
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1.The runner piston pump is used to transfer fluids between two chambers.
往复式泵用于在两个腔室之间传输流体。
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2. The runner piston pump is a common type of pump used in many industrial processes.
往复式泵是许多工业过程中常用的一种泵。
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3. The runner piston pump has a simple design and can be easily maintained.
往复式泵设计简单，易于维护。