可控闸阀
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pneumatically-controlled gate valve 气控阀门
electronically controlled weste gate valve 电控增压放气阀
controlled gate valve
受控闸阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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