针形的针状的acicular aggregate: 针状集合体acicular bainite: 针叶状贝氏体acicular bismuth: 针硫铝矿; 针硫铋铅矿acicular carbide: 针状碳化物acicular constituent: 针状组分; 针状组织/贝氏体下载手机词典可随时随地查词查翻译