toroid detector环形: annular; ringlike; ring form ...侦: detect; scout; spy; investig ...检: check up; inspect; examine器: implement; utensil; ware侦检器: detector; instrument， detection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:环形侦检器，即可在微信中查询翻译
