The power mechanism of the engine is actually called the crankshaft and connecting rod mechanism.
发动机的动力机构实际上就是曲柄连杆机构。
The connecting rod of the power base has fixed length.
动力底座的连杆做成定长。
The power of moving the pipe section is transferred by a screw rod;
所述管节移动的动力是通过丝杆传递的；
The power of moving the pipe section is transferred by a screw rod;
所述管节移动的动力是通过丝杆传递的；
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