The engine bed electricity USES the PLC control, the frequency conversion velocity modulation.
机床的电气采用PLC控制、变频调速。
The frequency conversion velocity modulation technique is widely applied in various industries with large economic benefit, especially in pumps system control.
变频调速技术已在各行业得到日益广泛的应用，尤其在泵类系统的控制中显示出很大的经济效益。
The best system of efficiency and function are becoming the pressure frequency conversion velocity modulation system in the various asynchronous electrical machinery velocity modulation system.
在各种异步电机调速系统中，效率及性能最好的系统是变压变频调速系统。
This article introduced the elevator velocity modulation is carries on the velocity modulation through the frequency conversion.
本文介绍的电梯的调速是通过变频来进行调速的。
Thorough researched to the spindle velocity modulation system of vector frequency conversion.
对主轴矢量变频调速系统进行了深入研究。
Thorough researched to the spindle velocity modulation system of vector frequency conversion.
对主轴矢量变频调速系统进行了深入研究。
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