And Rio has more advanced infrastructure in the Pilbara, including plans for remote-controlled lorries and trains.
2
这列火车可同时处理在通过使用新的4通道，7速新的灵活的曲线轨道上的时间紧至8辆红外遥控器。
This train can handle up to eight cars at a time through the tight curves of the new flexible tracks using the new 4-channel, 7-speed infrared remote control.
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