pulley block

常见例句

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。
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The mentioned method is applied to design of pulley block compensation in luffing mechan ism 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。
Under arraying rope pillar function, two pieces of pulley block circles pillar to do left, right nimble swinging, which cause rope winds in regular arrangement.
绳索在排绳柱作用下，两个滑轮组绕柱子左、右灵活摆动，使绳索在捲绳轴形成有规则的排列。