乱杭 (らんぐい) — stakes planted on the ground or underwater at irregular angles and intervals (to obstruct the enemy)
乱杭
ら ん ぐ い
Stakes planted on the ground or underwater at irregular angles and intervals (to obstruct the enemy)
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乱杭 (らんぐい) — stakes planted on the ground or underwater at irregular angles and intervals (to obstruct the enemy)
