standard specification for virgin poly resin for surgical implants
Related Translations:
外科: [医学] surgery; surgical department 短语和例子肠外科 enterochirurgia; 整形外科 orthopedic [plastic] surgery; 施行外科手术拯救了许多生命。 many lives have been saved by surgery.; 外科病房 surgical ward; 外科手术 surgical oper