Last Updated：2025/11/30
During the overhaul, the engineer removed a clogged Galloway tube from the furnace of the Lancashire boiler to restore proper water circulation.
See correct answer
During the overhaul, the engineer removed a clogged Galloway tube from the furnace of the Lancashire boiler to restore proper water circulation.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
