weak current switchweak-current switch开关: Q-switching大电流开关: high-current switch电流开关: current breaker; current switch零电流开关: zero current switch逆电流开关: reverse current 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:弱电流开关，即可在微信中查询翻译
