wharf upper structure 码头上部结构
The cracks will affect the durability of wharf structural members and weaken the stiffness of wharf upper structure.
该裂缝影响码头结构构件的耐久性，对码头上部结构的刚度有一定削弱。
Divided into an upper and lower level, visitors may chose to enter the building or descend to the wharf and open air amphitheater beneath the building.
歌剧院分为高低两层，游客可以选择进入建筑或是下到码头或开阔的地下大礼堂。
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