chain hoist

基本解释

Often called a chain hoist, this device is used to lift heavy objects in factories.
这种设备通常称为链式起重机，它在工厂里是用来提起重物的。
We want to buy Material Handle Equipment, Machine Tools, Winch Hoist Chain Hoist Machine Tools.
我们要采购材料处理设备，机床，绞车提升链提升机床。
Though my extension ladder hardly compared to the water tower, scaling it one-handed while lugging the chain hoist or a 2 x 4 made my knees wobbly.
虽然我的伸缩梯与水塔无法相比，但是，一边拉着链式起重机，一边单手扶着往上爬，仍使我双膝发软。