结构特点——屋面系统由外层的单板屋面系统与立边咬合屋面系统组成。
Structure features-this roofing system consists of an exterior single plate roof system and a elevation occlude roof system.
结构特点——屋面系统由外层的单板屋面系统与立边咬合屋面系统组成。
Structure features-this roofing system consists of an exterior single plate roof system and a elevation occlude roof system.
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