問題文
A group inherited a pair of appliances from a contractor and kept no notes about it. It now wants to know what the two boxes keep passing to each other over the link between them, and which box the dealers land on after a hand-off. How is this best described?
選択肢
- The liveness exchange is what the two units run between them all the time, and the closer companion is the one that picks it up.
- The volume exchange is what the two units run between them all the time, and the waiting companion is the one that picks it up.
- The volume exchange is what the two units run between them all the time, and the closer companion is the one that picks it up.
- The liveness exchange is what the two units run between them all the time, and the waiting companion is the one that picks it up.