主梁 中文名称： 主梁 英文名称： Major Beam 友情链接 中国剃须刀网 中国沙漏网 中国编织带网 中国绸制品网 中国美发理发用具网 中国油管网 中国油菜籽网 中国洗碗机网 中国字幕
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major beam clamp 主梁固定板
A major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam.
一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离来精确地设置犁的深度。
The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed.
介绍了用真空电子束焊接大型客车后桥壳半轴的工艺方法，并就焊接过程中存在的主要问题进行了分析。
With abroad data and rational analysis, the major work is described as follows: (1) Influencing factors of reversed arch in prestressed concrete beam is analyzed at length.
本文通过广泛的资料收集和合理的理论分析与计算，主要进行了以下几项工作：(1)较细致地分析了影响预应力混凝土桥梁起拱度的各项因素。
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