double-break contact双: two; twin; both; dual断: break; snap接触: come into contact with; get ...双断接点: double break contact; twin break contact; twin-break contact多断接触: multiple-break contacts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:双断接触，即可在微信中查询翻译
