gamma ray capsuleβ射线: beta ray源: source; fountainhead盒: box; case射线源: alpha source; gamma ray source; gamma-ray source; radiation source; source-film distance; source-filmdistanceγ射线源,γ射线源: gamma ray projector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:射线源盒,即可在微信中查询翻译