beam finder寻: look for; search; seek束: bind; tie器: implement; utensil; ware分束器: beam analyser; beam splitter; beamsplitters集束器: buncher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:寻束器，即可在微信中查询翻译
