three-wire rotary converter三线: three-way; three-wire变: become different; change机: machine; engine三线式变流机: three-wire system converter变流机: changer; converter; convertor; transverter; umformer; uniformer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:三线变流机,即可在微信中查询翻译