double break switchdouble-break switch双: two; twin; both; dual断路: broken circuit; open circuit ...开关: Q-switching【电学】断路开关。: circuit breaker边断路开关: side break switch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:双断路开关，即可在微信中查询翻译
