User talk:2404:7A81:8920:DC00:4D71:516C:EA3C:E33E

December 2020
Hello, I'm Donner60. I noticed that you made a change to an article, China Railways DFH mainline locomotives, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Donner60 (talk) 03:42, 31 December 2020 (UTC)
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Please do not add or change content, as you did at China Railways DFH mainline locomotives, without citing a reliable source. Please review the guidelines at Citing sources and take this opportunity to add references to the article. Thank you. Ifnord (talk) 03:45, 31 December 2020 (UTC)
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