ZYBW_F type dry running vacuum pressure combined pump is the derivative product of ZYBW_E type pump.
镇江气泵zybw _ F型干式旋片真空压力复合气泵是ZYBW_E型气泵派生产品。
First, the way combined with method and experiment were used to study the metric pump.
首先，采用理论与实验相结合的方法对计量泵进行了进一步的研究。
A sliding ring type combined seal is arranged in the pump.
其泵内装有滑环式组合密封。
A sliding ring type combined seal is arranged in the pump.
其泵内装有滑环式组合密封。
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