arc and spark stand电弧: arc; electric arc; voltaic a ...电: electricity花架: pergola电弧电接触: electrical arc contact; electrical engineering & motor control电弧电流: arc current; arcing current; flame current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:电弧电花架，即可在微信中查询翻译
