This led to the invention of the electric rod and other electrical phenomena.
于是引出了电棒和其它有关电现象的发明和发现。
On the choice of power, the vehicle mounted wheelchair can use hydraulic drive, pneumatic drive, electric push rod and electric motor.
车载式轮椅自动升降机在动力的选择方面，可以采用液压传动、气压传动、电动推杆和电机等方式。
Emulsion lubrication system, rod quenching device, twin-coiler, line electric control, etc.
乳化液系统，连续淬冷装置，双筐收杆。
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