block and tackle

The ropes were tensioned using block and tackle.

绳子通过滑轮拉紧.

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A Block and tackle can be used to lift heavy weights or to exert large forces in any direction.

这种滑车组可用来提升重物或沿任意方向施加大力。

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I finally hoisted him up with a block and tackle.

我最终用滑轮组把他拉了上去。

《柯林斯高阶英汉双解学习词典》

Hoisting mechanism including electric motor, brake, reduction gear, reel and block and tackle.

起升机构包括电动机 、 制动器 、 减速器 、 卷筒和滑轮组.

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A block and tackle is needed to lift that heavy machine.

要吊起那么重的机器需要使用一个滑轮组.

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With a growing need for someone to block and tackle Apple's raiders and ( given its tax investigation in Europe) regulators, Mr Cook's focus on people, strategy and execution-rather than products-finally started to look like an advantage.

苹果越来越需要有人去抵挡和应对攻击者以及监管者（苹果在欧洲遭到税务调查），而库克对人、策略和执行——而不是产品——的重视终于开始看起来像个优势。

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Rig derrick is one of the most important equipment in hoist system. People can install crown block and hang tackle, hoisting hook and special tools on it.

石油井架是钻机起升设备的重要组成部分之一，起着安放天车，悬挂游车、大钩及专用工具的重要作用。

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For work feature of tackle-block mechanism compensating amplitude of variation on machinery lifting, using traditional mono-objective optimization and numerical solution on design of the mechanism, the optimum result can not satisfy the requirement of economy and stability in the meantime and is not accurate enough.

由于补偿滑轮组变幅机构在起重机械中工作特点的需要，传统的单目标优化方法和优化数值解法，在同时满足设计的经济性与稳定性以及优化解的精度方面存在不足。

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raised, lowered, or positioned equipment, tools, and materials for installation or use using hoist, handline , or block and tackle.

用吊车、手线或滑轮组及辘轳，将要装置或使用的设备、工具，及材料，升高、降低或放好位置。

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Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.

滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.

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A pulley or a system of pulleys set in a casing. A block and tackle is needed to lift that heavy machine.

要吊起那么重的机器需要使用一个滑轮组。

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