1) wire feed rate variation
送丝速度变化率
2) alternate wire-feed
变速送丝
1.
Based on the MIG welding system controlled by DSP;A combinational controlling method that was of alternate wire-feed control cooperating with the slow negative characteristic power source was adopted to study to keep the length of arc unvaried.
基于DSP控制的MIG焊接系统,采用缓降弧焊电源外特性和变速送丝的控制方法以达到保证弧长不变的目的,并将模糊控制引入到变速送丝控制设计中。
3) rate of speed
速度变化率，速率
5) changing rate of acceleration
加速度变化率
1.
Effect of changing rate of acceleration on wearing character of automotive brake;
加速度变化率对汽车制动器磨损特性的影响
6) speed of temperature variation
温度变化速率
补充资料：地球自转速度变化
见地球自转。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条