ultramicro crystal超: exceed; surpass; overtake微细: very small; tiny晶: brilliant; glittering超微细化法: ultrafine size reduction method超微细粒: submicron-sized particulate; ultramicron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:超微细晶,即可在微信中查询翻译