名词滑轮组
pulley block的反义词
1. 滑轮组;滑车组：pulley 滑轮;滑车 | pulley block 滑轮组;滑车组 | pulse 脉冲
2. 滑车：pulley belt 传动皮带 | pulley block 滑车 | pulley drive 滑轮传动
3. 滑车组：磨粉机 pulveriser | 滑车组 pulley block | 搅炼法 puddling process
noun
1. pulley block的近义词
1. a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
Synonym: pulley pulley-block block