发动机的动力机构实际上就是曲柄连杆机构。
The power mechanism of the engine is actually called the crankshaft and connecting rod mechanism.
在连杆大头安装曲柄轴颈。
The lower end of the connecting rod fits the crankshaft journal.
钻井泵的动力端是一组曲柄、连杆机构。
Drilling pump power end is a group of crank, link mechanism.
钻井泵的动力端是一组曲柄、连杆机构。
Drilling pump power end is a group of crank, link mechanism.
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