通过力学验算,初步探讨组合式贝雷桁架片托架在预应力砼系杆拱桥梁施工中的应用。
The paper discusses the application of beret truss bearers in prestressed concrete process tie bar arch bridge construction after mechanical calculation.
科尔曼挺杆起重机在枢轴位置安装有捆绑臂,可以使臂旋转,这些枢轴可以安装在地上、天花板上,也可以安装在墙上托架上。
Coleman enclosed track jib cranes are trussed booms mounted on a pivot to allow for boom rotation. The pivot location can be on a floor mounted pedestal, ceiling mounted pedestal, or a wall bracket.
并不是所有的挠性剑杆都需要装在筘座上的导剑片,越来越多的织机生产厂家在钢筘外的机架上安装托架以引导剑杆带。
Not all flexible rapiers require guides mounted in the sley. More and more rapier loom makers are directing the flexible rapier band through a fixed housing on the loom frame just outside the reed.
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