大秦铁路试了很多年了吧

【 在 Avocado 的大作中提到: 】
这件事已经有人在试验了，在矿山的效果貌似不错
https://www.businessinsider.com/edumper-121-ton-electric-dump-truck-2019-8

The 45-ton "eDumper" was unveiled in April and produces its own energy through regenerative braking on downhill runs.

The massive machine then uses that energy to go back up the hill, but since it weighs less with no cargo, it ends up with extra energy.

【 在 chrome2000 的大作中提到: 】
: 新时代愚公移山
: 发自「今日水木 on iPhone 8」
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修改:Avocado FROM 73.63.245.*
FROM 202.120.13.*