The lifting device is a system of rope and pulley 这种起重装置是由缆索和滑轮组成的。
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The lifting device is a system of ropes and pulleys 这种起重装置是由缆索和滑轮组成的
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Glossary of terms used in materials handling - terms used in connection with pulley blocks 材料装卸术语.第6部分:滑轮组术语
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Cranes - general design - part 3 - 2 : limit states and proof of competence of wire ropes in reeving systems ; german version cen ts 13001 - 3 - 2 : 2004 起重机.一般设计.第3 - 2部分:滑轮组中钢索性能的极限
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Crevasse rescue is one of the more complicated mountaineering techniques , sometimes requiring pulley systems and multiple haul lines 裂缝救援是一项更副复杂一些的登山技术，有时候需要滑轮组和多组拖曳绳。
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Rope rollers , pulleys , mountings and assemblies for colliery track haulage - specification for suspended pulley assemblies and clamps 煤井轨道运输用缆绳滚筒滑轮支架和组件.第5部分:悬挂式滑轮组件和夹具规范
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The mentioned method is applied to design of pulley block compensation in luffing mechanism and the results show that the method is feasible and effective 在滑轮组补偿变幅机构稳健优化设计中加以运用，结果表明该方法是有效的和可行的。
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Yesterday , in the mojave desert , they put their theory to the test using a nylon kite , three pulleys and an obelisk that weighs nearly four tons 昨天，在莫家乌沙漠，他们用一只尼龙风筝、三个滑轮组和一个近4吨重的方尖石来检验他们的理论。
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The belt model for widens adds thick ; 2nd , by on , the next two combinations becomes , and pulley causes the festival with the aid of the anchor rope to rise and fall needs the altitude , the ladder peak has the security suspension hook and the skid prevention rubber belt 由上下二节组合而成，借助拉绳及滑轮组使上节升降到所需高度，梯顶端配有安全挂钩及防滑橡胶带。
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1 all series of fe flexible ladder s , upgraded the part on november 5 , 2003 in there are the insulating ladder of our companies , upgrade the content : hoist or lower the pulley blook , the products after upgrading , it is safer , light and handy , convenienter to hoist or lower the course : 1本公司绝缘梯具中所有的fe伸缩梯系列, 2003年11月5日进行了局部升级，升级内容：升降滑轮组，升级后的产品，升降过程更加安全轻巧方便。
