General, the best way for replacement of lamp is ().

A . after the point is reached at which the failures begin to increase rapidly B . before the point is reached at which the failures begin to increase rapidly C . before the point is reached at which the failures begin to increase slowly D . after the point is reached at which the failures begin to increase slowly

时间:2022-10-08 15:55:42 所属题库:船舶动力装置题库

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