高品质冷冻精液
High quality frozen semen
精液冷冻稀释液
Semen freezing dilution solution
颗粒冷冻精液技术
Technique of straw freeze-dried semen
冷冻精液
Frozen human sperm
frozen semen
Semen frozen
frozen sperm
freezing sperm
frozen spermatozoa
Frozen Sem en
Frozen-thawed semen
cryopreeservation on sperm
frozen-sperm
冷冻精液受精鱼苗
artificially fertilized by cryopreserved spermatoz
牛冷冻精液
Bull frozen semen
bull sperm cryopreservation
Frozen semen of bovine
细管冷冻精液技术
Technology of straw freeze-dried semen
yellow cattle
超市冷冻冷藏
supermarket cold preservation
Supermarket clod