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髌骨后部关节面重新处理，用骨水泥将新的塑料假体附着。
The rear of patella is resurfaced and new plastic component is attached with bone cement.
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水管可以由金属、水泥、塑料或竹子制成。
Pipes may be made of metal, cement, plastic, or bamboo.
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水管可以由金属、水泥、塑料或竹子制成。
Pipes may be made of metal, cement, plastic, or bamboo.
youdao