乳用乳酸菌
dairy lactic acid bacterium
山羊β-乳球蛋白启动子(BLG)
lactoglobulin gene promoter
山羊乳腺上皮细胞
goat mammary epithelial cell
goat mammary epithelial cells GMEC
转基因山羊乳腺上皮细胞
transgenic goat mammary epithelial cells
制笔刷用山羊把毛
dressed special goat hair for pen brush
制笔用山羊毛
goat hair for making pen
special goat hair for pen brush