To rent a car you must produce a passport and a current driving licence.
要租一辆车你必须出示护照和现有驾照。
The part of driving includes constant current control, constant power control and pulse modulation control.
驱动部分又包括恒电流控制，恒功率控制和脉冲调制控制三个方面。
The solid state relays all are current driving.
固体继电器均为电流驱动型。
The solid state relays all are current driving.
固体继电器均为电流驱动型。
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