shoe beams造句
例句与造句
- Each power bogie had a shoe beam with two pick-up shoes since there were two power circuits.
- Power to the third rail was shut off after a shoe beam on a train approaching Whitehall Street fell and caused a short circuit, stranding ten subway trains inside the tunnel.
- It's difficult to find shoe beams in a sentence. 用shoe beams造句挺难的
