刚体结构是墙体坚硬或预制设施，可直接连接到当地水电设施/服务，但也可轻易拆除和移动 – English translation

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刚体结构是墙体坚硬或预制设施，可直接连接到当地水电设施/服务，但也可轻易拆除和移动

rigid structures are defined as hard walled or prefabricated facilities that may be attached to local utilities/services but can be easily dismantled and moved

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