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S.L. Kanthan
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https://x.com/Kanthan2030/status/1773319116293607648
本文：How can #China build 1000s of km of railways — including high-speed rail — every year? It’s not by just using (“cheap”) manual labor. It involves expensive machinery & smart processes that vastly improve efficiency & productivity. #infrastructure #thursdaymorning https://t.co/wyg64jjkWE

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