ebonite dustebonite powder硬: hard; stiff; tough质: nature; character; essence胶粉: rubber powder硬质胶: ebonite; hard rubber半硬质胶: flexible ebonite; half-hard rubber; semiebonite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:硬质胶粉，即可在微信中查询翻译
