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单选题
3334. This is a recommended precaution to keep the center tank in good condition It is recommended that you do this procedure at intervals of 100 days
A
此条为视情采取的预防措施,以使中央油箱保持良好状态。每间隔100天视情执行一次此程序。
B
此条为必须采取的预防措施,以使中央油箱保持良好状态。每间隔100天需要执行一次此程序。
C
此条为建议采取的预防措施,以使中央油箱保持良好状态。建议间隔100天执行一次此程序。
答案解析
正确答案：C
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