Last Updated:2025/11/29
Before starting the old steam engine, the engineer checked the alarm gauge to make sure the boiler pressure wasn't excessive and the water level was adequate.
See correct answer
Before starting the old steam engine, the engineer checked the alarm gauge to make sure the boiler pressure wasn't excessive and the water level was adequate.
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)