...压/持压阀（PRESSURE RELIEF & SUSTAINING VALVE），泵泵浦控制阀(PUMP CONTROL VALVE)，电动控制阀（ELECTRICAL CONTROL VALVE），差压旁通（平衡）控制阀（DIFFERENTIAL PRESSURE BY-PASS VALVE），紧急关闭阀（EMERGENCY SHUT-OFF VALVE），并可进行多功能的...
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Builds a suit of HVAC DAQ and control system which could take precise data acquisition and control water valve, air valve, VAV box, electrical heater, humidifier and other control elements.
暖通空调(HVAC)系统中建立一套对各种水阀、风阀、变风量箱、电加热器、加湿器以及其他控制元件进行准确测量及时控制的数据采集控制系统。
Main equipment: pre-heater, evaporator, condenser, sugar meter, vacuum system, temperature control, liquid level control, valve fittings, automatic electrical control system;
主要设备：预热器、蒸发器、冷凝器、糖度仪、真空系统、温度控制、液位控制、阀门管件、自动电气控制系统；
A new developed electrical control VVT system is presented which USES a tensioner with variable working position to change the intake valve-closing Angle.
本文介绍了一种基于可变位置液压张紧器机构实现控制进气门关闭相位角的电控可变配气相位系统。
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