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sheath·ing AHD[shē"Yĭng] D.J.[ˈʃiːðɪŋ]K.K.[ˈʃiðɪŋ]n.（名词）- A layer of boards or of other wood or fiber materials applied to the outer studs, joists, and rafters of a building to strengthen the structure and serve as a base for an exterior weatherproof cladding.盖板：一种用在建筑物的外饰物、搁栅及椽，用来加强结构并作为外部防水覆盖物的一层木板或其它木质或纤维材料
- Nautical An exterior covering on the underwater part of a ship's hull that protects it against marine growths.【航海】 覆材：在船的船壳水下部分的一层外部覆盖物，保护并抵抗海水的侵蚀
- The act of providing sheathing.提供覆材
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