• 1. cyclic pump: 周期性载荷泵
• 2. pump with cyclic electromagnetic drive: 电磁驱动泵
• 3. cyclic water pump: 循环水泵

• 1.A new calculating formula of the effective power of the reciprocating pump of multiphase flow is set up by the cyclic indicating figure of the pump.
  根据往复泵的循环指示图建立了计算多相流往复泵有效功率的新方法。
  dict.yoduao.com

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