Main-bearing journals 主轴颈 ; 主轴承
The crankshaft has three main bearing journals.
曲轴有三个主要轴承期刊。
The crankshafts shown in Fig 1-4 is actually made up of various parts such as main bearing journals, rod journal, crank arm, bearing, counter balanced weight and flywheel end.
在图1-4中，曲轴实际上由以下不同的部分组成，它们分别是：主轴承轴颈、连杆轴颈、曲轴臂、轴承、平衡配量（？）以及飞轮端。
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