灯火管制 (とうかかんせい ともしびかんせい) — blackout (to prevent being seen by enemy aircraft during a nighttime air raid)
灯火管制
と う か か ん せ い
Blackout (to prevent being seen by enemy aircraft during a nighttime air raid)
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灯火管制 (とうかかんせい ともしびかんせい) — blackout (to prevent being seen by enemy aircraft during a nighttime air raid)
