air blowout空气: air; atmosphere灭: go out弧: arc bow空气灭弧开关: air-blast switch空气灭弧式断路器: air blast circuit breaker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:空气灭弧,即可在微信中查询翻译