废后
废后
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详细介绍了引风机主轴报废后的修复。
Repair after discarding of induced draught fan main shaft is introduced in detail .
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而汽车主要由轻薄型金属材料构成,其报废后的回收处理已经成为人们所面临的重大问题之一。
And they are mainly made up of metal sheet , and their recovery treatment problem after abandoned is one of the major issues that the word people are facing .