×
单选题
在此期间使用经济型功率设置可能会对发动机的寿命有损害。
A
A.During this
period,if you use economy power settings, the engine may be damaged.
B
B.The use of economy power settings during this
period may be detrimental to the engine life.
C
C.The use of economy power settings during this
period may reproduce the engine life.
答案解析
正确答案：B
相关知识点：
功率设置与发动机考点记
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