The ratio of the brake horsepower to the indicate of a diesel engine is its ________.
所属题库：二管轮
题目介绍:
Theratioofthebrakehorsepowertotheindicateofadieselengineisits________.,
thermal efficiency?mechanical efficiency?brake thermal efficiency?volumetric efficiency? 本题为最佳选择题收录于二管轮题库中。
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