Last Updated:2025/12/05

The old steamship's mechanical stokers worked through the night to keep the boilers at full pressure.

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The old steamship's mechanical stokers worked through the night to keep the boilers at full pressure.

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古い蒸気船の自動投炭機は、夜通し稼働してボイラーの圧力を一定に保っていた。

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