Chain block
01
链滑车, 链式葫芦
a lifting device that uses a chain and pulley system to lift and lower heavy loads
例子
The workers used a chain block to lift the heavy beam into place.
工人们使用了一个链式滑轮组将沉重的梁吊装到位。
To move the large machine, they attached a chain block and slowly raised it off the ground.
为了移动大型机器，他们安装了一个链式葫芦并缓慢将其从地面升起。
