两个开关点都具有可以非常快地打开和闭合的电动驱动器。
Both switching points have electrodynamic drives which open and close very quickly.
空中水母仅有的动力来源就是连接中央电动驱动器的两个锂离子电池。
AirJellys sole source of power is two lithium-ion polymer batteries connected to the central electric drive unit.
这个驱动器是 AB 电动技术的代表产品，它是一个定向控制可以分别控制速度和扭矩。
The drive features AB's Force Technology, a field-oriented control that permits independent control of speed and torque.
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