divergent-ray发射: launch; radiate; project; di ...β射线: beta ray初级发射射线谱分析: primary emission x-ray analysis反射射线: indirect ray; reflected ray辐射射线: radiant ray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:发射射线,即可在微信中查询翻译