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 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 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。
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