Box girder precast 箱梁预制
Precast box girder 预制箱梁
precast plate girder 预制板梁
precast splice girder 预制拼接梁
precast box girder segment 预制箱梁节段
60 m precast box girder m预制箱梁
precast small box girder 预制小箱梁
precast concrete box girder 预制混凝土箱梁
The paper analyzes reasons for quality defects as the precast girder is prestressed and raises strategies for them.
分析预制混凝土梁（板）在施加预应力时质量缺陷的原因及其对策。
This bridge was built with precast channel girder sections, but could be built with AASHTOI girders or box sections.
该桥是采用预制的槽型梁修建的，但是也可利用AASHTOI的标准工型梁或箱型梁修建。
Fabricating and demoulding of the base mould is a key during the course of construction for precast plate girder of highway bridge.
公路桥梁预制钢筋混凝土板梁施工中，底模的制作及脱模是关键。
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