alternating frequency conversion technique  交流变频技术; 飞行训练模拟器

energy-saving frequency-conversion technique  节能变频技术

frequency conversion technique in rotation speed controlling  变频调速

AC frequency conversion technique  交流变频技术

frequency conversion speed control technique  调速技术

speed control technique of frequency conversion  变频调速技术

AC frequency conversion  交流变频

AC frequency conversion electricity rig  交流变频电动钻机

AC frequency conversion speed regulator  交流变频调速器

AC frequency conversion system  交流同步变频调速

AC frequency-conversion  交流变频

AC Motor Frequency Conversion Equipment  交流变频调速装置

ac-ac conversion frequency  交变频

AC-AC frequency conversion  交－交变频; 交交变频

AC-DC-AC frequency conversion  交-直-交变频

AC-DC-AC frequency conversion drive  交—直—交变频传动

adaptive frequency conversion filter  复合凹凸棒介质(CAM); 自适应变频滤波法

alternating frequency technique  交流变频调速技术

Automatic Frequency Conversion  自动变频