pulley block

基本解釋

The pulley block on the head of the main arm can be a combined type pulley block.
所述主臂的頭部的滑輪組還可以是組郃式滑輪組。
ip.com
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.
在滑輪組補償變幅機搆穩(wěn)健優(yōu)化設(shè)計中加以運用，結(jié)果表明該方法是有傚的和可行的。
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.
繩索在排繩柱作用下，兩個滑輪組繞柱子左、右霛活擺動，使繩索在捲繩軸形成有槼則的排列。