Manual single girder bridge crane is a crane.
手动单梁起重机是桥式起重机的一种。
The curved girder bridge is an important bridge type in traffic engineering.
曲线梁桥是交通工程中的一种重要桥型。
Erect support on box girder perform segmented concreting of bridge tower.
在箱梁上搭设支架，分段浇筑桥塔混凝土。
It is an effective way for old bridge reinforcement to widen its large border girder.
大边梁加宽加固旧桥是一种很有效的桥梁加固方法。
As a unique bridge structure, each part of the box-girder has specific mechanical behavior.
同时，其独特的结构形式使结构各组成部分受力明确。
As a unique bridge structure, each part of the box-girder has specific mechanical behavior.
同时，其独特的结构形式使结构各组成部分受力明确。
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