【机械工程】操作机构，凝汽阀

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

actuating

actuating signal【电子】;drive signal【电子】

actuating device

actuating mechanisms of slide valves insteam traps

actuating mechanisms of valves, ball valves

step-toothed actuating drum

actuating mechanisms in steam traps