这些都是支持的螺旋弹簧和绝缘垫。

These are supported by coil springs and insulation pads.

youdao

框架上装有分闸限位器，合闸缓冲，分闸弹簧及6只支持绝缘子。

The framework with break-brake limit device, close brake buffer, break-brake spring and six support insulator.

youdao

框架上装有分闸限位器，合闸缓冲，分闸弹簧及6只支持绝缘子。

The framework with break-brake limit device, close brake buffer, break-brake spring and six support insulator.

youdao