progressive cavity pump well
progressive cavity pump well
螺杆泵井
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Performance characteristic and stress condition were analyzed in the process of progressive cavity pump well startup and a startup torque dynamic model was established.
对启动过程中单螺杆泵的运动特点和受力情况进行分析，建立了该系统启动扭矩动力学模型。
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