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单选题
If the constant speed drive (CSD) does not operate correctly, disconnect it from the gearbox.
A
If the constant speed drive (CSD) is inoperative, disconnect it from the gearbox.
B
If the constant speed drive (CSD) is in good condition, disconnect it from the gearbox.
C
If the constant speed drive (CSD) is operative, remove it from the gearbox.
答案解析
正确答案：A
