Then the structural accident of total section drive-through type crack is caused in arch frame top chord, which is induced by hoisting and detection using pulley arbitrarily.
铜绿山矿某三铰拱屋架单轨吊梁结构体系，因技术改造增加设备简体重量，随意用滑轮组起吊检修，导致拱架上弦全截面贯通式开裂的结构事故。
But Hutchings argues that the sketch actually shows blocks on the ground being pulled by a weight attached to a pulley—the same type of experiment you might do today in a high school physics class.
但是哈钦斯却认为，在这张草图中，放置在地上的数个方块由配有滑轮装置砝码拖动——这和高中物理课上做的实验类型简直如出一辙。
It is found that the damping properties of the work-spindle system are largely affected by the type of main bearing and the mounting method of the pulley.
实验的测试结果表明工件-主轴系统的阻尼特性很大程度上受轴承结构型式及带轮安装方式的影响。
It points out that the position of the maximum strain, stress and tension is at first group trough type roller, not at passing poion of pulley if the head drum works as pulley.
指出在头部滚筒作为驱动滚筒的布置系统中，胶带最大应变、力及张力位置不在驱动滚筒相遇点，而在过渡段第一组槽形托辊处。
The pulley block on the head of the main arm can be a combined type pulley block.
所述主臂的头部的滑轮组还可 以是组合式滑轮组。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
The head pulley place may raise the type design, the side Then hoop clean and maintenance;
上滚轮座可掀式设计，方便滚轮的清洁与保养；
The head pulley place may raise the type design, the side Then hoop clean and maintenance;
上滚轮座可掀式设计，方便滚轮的清洁与保养；
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