arc spectrum analysis弧光: arc light; arc分光: spectral; beam split析: divide; separate弧光分光计: arc spectrometer发光分光分析: icatomic emission spectrophotometer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:弧光分光析，即可在微信中查询翻译
