electronic preheating电子: electron预热: preheat电子预热器: electronic preheater离子预热阴极: ionic-heated cathode电子预订系统: electronic reservation system; system electronic reservation; system, electronic reservation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:电子预热，即可在微信中查询翻译
