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【单选题】
关于铝合金的描述,下列说法错误的是: ( )
A.
维修之前，要清理工具上的金属颗粒，或者直接使用专用的铝合金修复工具
B.
铝合金基础材料如果暴露在氧气中，会产生防腐蚀的氧化层
C.
加热可以有效的将铝合金材料恢复成型
D.
由于铝合金材料硬度低，所以适合对车架进行拉伸修复
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