A precaution was put forward which can be regarded as a reference for designing and establishing of standard collective drawing of SP prestressed hollow slab.
最后提出了避免墙体出现这种裂缝的措施，可供设计和制定SP预应力空心板标准图集参考。
A precaution was put forward which can be regarded as a reference for designing and establishing of standard collective drawing of SP prestressed hollow slab.
最后提出了避免墙体出现这种裂缝的措施，可供设计和制定SP预应力空心板标准图集参考。
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