polypeptide growth factors多: many; much; more肽: peptide生长因子: growth factor多肽伸长因子: polypeptide elongation factors促生长因子: somatomedin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:多肽生长因子，即可在微信中查询翻译
