material composition test材料: material成分: composition; component part; ...化验: chemical examination; labora ...材料成分化验 材料的化学分析: materialcompositiontest张材料成分: paper formation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:材料成分化验,即可在微信中查询翻译