Switching equipment alternates transmission across all the links in a linkset to ensure equal usage of all facilities. 交換設備對鏈路群中的所有鏈路進行交替傳輸以確保對所有設施的均衡使用。
Each is equipped with two computers, two stable elements, the necessary indicating instruments, and switching equipment. 每間配備兩具計算器，兩具穩定器，必要的指示儀器，以及信號交換設備。
Horizontal pressure tanks for air pressure generating stations in electrical switching plants. 電氣開關設備中氣壓發生裝置用卧式壓力容器。
