Why not using AC power instead?

來源: Beyond_Soros 於 2024-09-08 16:59:51 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (77 bytes)

It is more reliable and cost-effective than a battery powered train.

所有跟帖： 

• 成本。那條路線沒有電線，要蓋的話會很貴 -dividend_growth- ♀ 給 dividend_growth 發送悄悄話 dividend_growth 的博客首頁 (0 bytes) () 09/08/2024 postreply 17:01:20

請您先登陸，再發跟帖！