... 几何螺距角 geometric pitch angle 钢架墩 girder block 玻璃绵绝热材 glass wool heat insulating material ...
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... 坞座墩木 docking block 铁制墩木 girder block 船台墩木垫块 block cap ...
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integral girder block 整体节段
large block steel box girder 大块件钢箱梁
block curved box girder 连续曲线箱梁
·2,447,543篇论文数据，部分数据来源于NoteExpress
The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
详细介绍了对双导梁式架桥机天车、行走系统、有效工作长度及预制梁安装就位的改进情况。
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