open track circuit开: open; turn on; switch on; be ...路: road; way; path式: type; style轨道: track; pathway; rail; runway ...电路: circuit; electric circuit; e ...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:开 路式轨道电路,即可在微信中查询翻译