sheathing        
[die] 装甲。铠装。盔甲。。钢筋。固。
reinforcement, armor, armoring, sheathing, armour

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[die] 围板。板。木板。厚板。铺板。框。框架。模板。模壳。罩。
boarding, casing, formwork, shuttering, planking, sheathing