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Combined display of all available logs of Derail Valley. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 18:30, 23 April 2025 Nokau talk contribs created page Translations:Firebox/4/zh-hant (Created page with "將火箱填滿不見得總是好的選擇。過量的煤炭將對{{pll|Driving Efficiency|燃料效率}}產生負面影響，使許多煤炭顆粒在未完全燃燒前就被從煙囪排出，這是使煙霧變得更濃更黑的原因。當火箱中煤炭與可用氣流達到最佳比例，燃燒效率將會更好，使煙霧趨於淡色。")