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汽车涂装前处理之后再喷涂油漆，因此前处理工作做得好不好无所谓，只要后续涂层做好就行。
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You will hear 8 short conversations. After each conversation, there will be a recorded question. After each question, there will be a pause of 10 seconds. The conversations and questions will be spoken twice. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D.[音频]
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