cobalt-irradiation钴: cobalt照射: shining; raying; shine; illu ...钴60: cobalt-60钴６０: cobalt-60; radiocobalt钴60，钴六十: cobalt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:钴60照射，即可在微信中查询翻译
