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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.
youdao
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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.
youdao
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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.
youdao