火车信号灯用于指导火车行进,避免碰撞和交通瓶颈。区间信号灯可放置在铁轨上,创造彼此相连的“区间”。当一列火车占用当前区间,其余的火车便无法进入。警告:信号灯是单向的!火车无法逆向行驶,要设置双向铁路,请为铁路的两个方向都建造信号灯。
2x 钢管
1x 铜板
2x 电路板
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