主梁（main beam）指的是将其上的荷载通过两端支座直接传递给柱或墙的梁。
The design of the main girder, pylons and cables is presented.
主要介绍主梁、主塔及斜拉索等方面的设计。
参考来源 - 漳州战备大桥设计——三跨连续预应力混凝土矮塔斜拉箱梁桥 The Design of LowThere for, through comparing precision of several finite element model about main beam, one accurate model is supplied.
为了保证计算结果精确可靠，本文通过对常用的几种主梁有限元模型进行了分析比较，得出了一种最能符合实际情形的主梁有限元模型。
参考来源 - 平面多定轮钢闸门结构分析·2,447,543篇论文数据，部分数据来源于NoteExpress
下层甲板的主梁必须立即用螺旋千斤顶进行支撑。
The main-beams of the lower deck had to be shored with screw-jacks forthwith.
跨度大的主梁，由于运输条件所限，是分段制造的。
Large span girder, due to the limited transport conditions, is the production of.
刮板取料机构安装在主梁下面，取料方式为全端面取料。
Scraper feeding mechanism is installed below the main girder, feeding way is take for full face.
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