The trolley bus picks up current from an overhead wire.
无轨电车的电能是通过架空线供给的。
2
A control scheme that trolley and pulley blocks can arrive at the preset positions as soon as possible and swinging Angle caused by wire rope and load inertias can be removed is obtained.
控制模型的目标是建立使小车和滑轮组尽快到达预定位置，并消除钢丝绳和负载由惯性所致摆角的控制方案。
3
The arc guiding pipe is in a trolley-guiding construction to reduce the scratch upon the wire rods surface.