top beam [建] 顶梁 ; 冠梁
flat top beam 平顶光束
top of beam 梁项面 ; 梁顶面
car top beam 轿厢上梁
the top beam 顶梁
flat-top beam 平顶光束
hinge top beam 铰接顶梁
press top beam 压顶梁
top beam effect 圈梁效应
The top beam shall be arranged on transverse partition boards within the box. the beam jacking process shall be slow so as to avoid uneven force bearing of jacks.
顶梁位置设在箱内横隔板上，顶梁过程应缓慢进行，防止出现千斤顶受力不均的情况。
With practical examples, installation of pier top beam section to sum up the construction process, construction process and stressed the important and difficult.
结合工程实例，对墩顶梁段安装施工工艺进行总结，并强调施工过程中的重点和难点。
The reforming basic structure of HDJA-1000 metal hinge top beam is introduced. Its various functions, better economy, stability and safety are expounded.
介绍了HD JA - 1000型金属铰接顶梁的改造基本结构，阐述了改造后在采煤工作面应用的多种功能，及其经济性、可靠性和安全性。
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