big-end英'bɪɡ'end美'bɪɡ'endBNC²³⁶²¹³⁺¹ 基本例句 大头¹⁰⁰ The lubrication of crank bearings have a large influence on engine operation. In this paper, CFD simulation of connecting- rod big-end bearing lubrication is given. 曲轴轴承的润滑对内燃机工作有重要影响，对连杆大头轴承润滑问题进行了 CFD计算研究。 cnki