duty cycle of pulse duration脉冲: impulse; pulse; impulsion; o ...焊接电流: welding current占: occupy; seize; take up空: leave empty or blank; empty; ...比: 2下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:脉冲焊接电流占空比，即可在微信中查询翻译
