The brake specific fuel consumption is increased, but brake specific energy consumption can be improved.
以质量计的燃油消耗率有所增加，但以燃料热值计的比能耗降低。
The specific fuel consumption is up to a certain extent, but not evident;
有效燃油消耗率有一定的上升，但不是十分明显；
The specific fuel consumption is up to a certain extent, but not evident;
有效燃油消耗率有一定的上升，但不是十分明显；
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