在实验范围内，施加的脉冲电流频率增加时，拉拔力降低，合金丝的延伸率增加。
The drawing force decreases and the specific elongation increases when the frequency of pulse current exerting to wire adds in the scope of experiments.
研究了在锌酸盐镀锌体系中采用脉冲电流时，脉冲频率、脉冲的占空比、反向电流对镀层外观、耐蚀性的影响。
The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated.
该电源输出脉冲电流的幅值、脉宽和频率都可以在规定的范围内连续可调。
Pulse width and frequency can be adjustable in succession within the range of the fixed one.
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