以下为句子列表：
英文: According to different well conditions and problem property, it proposes three methods including triple phase pressure-out, two phase pressure-out and single phase pressure-out, and infers theoretically the working well pumps, pumping rod break off and le
中文: 根据油井条件和问题性质的不同，提出了三相憋压、两相憋压、单相憋压3种方式，并对好泵正常工作、抽油杆断脱、油管漏失等工况进行了理论推导，分析了该方法的优越性。
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英文: Characteristic: This machine is single phase capacitor running asynchronous electric motor, it has such advantages as high torque for single startup, small startup current, high efficiency and power factor, strong loading capability, and steady running.
中文: 特点：该机为单相电容运转异步电动机，具有启动转矩高，启动电流小，效率和功率因数较高，过载能力大，运行稳定等优点。
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英文: Choose the cable type according to power supply condition and power net load ,decide if use parallel connection or series connection type cables, single phase or three phase type cables.
中文: 根据供电条件、电网负荷及电伴热带使用长度等因素来选择电伴热带的型式、电压等级，以便确定是用并联式还是串联式？
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英文: For pipe net system, constant wattage three phase type cables are suitable, if pipes are shorter, constant wattage single phase type cables are suitable.
中文: 对长输管线，一般选用串联带；对管网系统则可选用恒功率三相带，如果管线较短，可选用恒功率单相带。
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英文: Full-bridge PWM motor drive A3952 is introduced in this paper, and an example is given for single phase DC brushless torque motor control.
中文: 摘要介绍了一种全桥脉宽调制芯片A3952的特点和功能及其在单相无刷直流力矩电机控制中的应用。
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