nonfreezing solution英美【机】不冻溶液,不冻剂,防止结冰液机械双语例句An Experimental Study on Preservation of Human Split-thickness Skin Samples With a Nonfreezing Composite Cryoprotective Solution at-20 ℃-20℃不结冰复合抗冻液保存异体皮的实验研究