自动的

self-acting braking【车辆】;self-actuating brake【车辆】;

plant receptacle with self-acting watering

self-acting shutter【机】;self-operated valve【机】;

self-acting【自】

self-acting boring machine

self-acting thermostat【热】

self-acting lathe

automatic valve【机】;autovalve【机】;self-acting valve【机】