试分析室内暖气片的散热过程,各个环节有哪些热量传递方式?以暖气片管内走热水为例。
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When the normal compression ratio of a diesel engine is not very high, misfiring at light loads may be caused by ()
A. overloading the engine
B. low exhaust valve lift
C. excessive cylinder cooling
D. insufficient mechanical clearance
以下()属于方法库。
A. 蒙特卡罗法
B. 特尔斐法
C. 指数预测法
D. 主观概率预测法