汉英对照/ 手术有两种主要类型
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手术有两种主要类型：
- 全膝关节置换-置换膝关节的两侧
- 局部（半）膝关节置换-仅需置换关节的一侧，手术较小，住院时间较短，恢复时间较短
There are two main types of surgery:
- Total knee replacement - both sides of the knee joint are replaced
- Partial (half) knee replacement - only one side of the joint needs to be replaced, the operation is smaller, the hospital stay is shorter, and the recovery time is shorter