elevator motor directional control valve 链耙马达转向控制阀 ELECTRIC MOTOR CONTROL VALVE 电动阀 winch motor control valve 绞盘马达控制阀 ..
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New type electric control big gate valve is introduced, which USES JZ - 7 locomotive brake and it is controlled by microprocessor and stepping motor.
介绍了新型电控大闸采用JZ - 7机车制动机，通过微处理器和步进电机实现控制。
Implements by the relay to the electric motor, the inlet valve, draw-off valve's control.
由继电器实施对电动机、进水阀、排水阀的控制。
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