[电]?双投触点

... double-tape armored 双带铠装的 double-throw contact 双投触点 double-throw crankshaft 双臂曲轴 ...

[电]?切换触点

... double throw rotary switch 双掷旋转开关... double-throw contact 切换触点,双投触点... double throw contacts 双掷触接点 ...