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传统的手术牵开器是不锈钢做成的。在外科手术中,需要有人用牵开器抓住伤口处的外皮,以便主刀医生作手术。Steritractor塑料牵开器是用塑料制成的。由于其底部涂有一层胶,
The traditional surgical retractor is made of stainless steel. During surgery, someone needs to use a retractor to grasp the skin at the wound so that the surgeon can perform surgery. The Steritractor plastic retractor is made of plastic. Because its bottom is coated with a layer of glue,