滑轮组的英文：
pulley block
参考例句：
A pulley or a system of pulleys set in a casing.
滑轮，滑轮组安装在机械外壳中的滑轮或滑轮组
I finally hoisted him up with a block and tackle.
我最终用滑轮组把他吊了上去。
A block and tackle is needed to lift that heavy machine.
要吊起那么重的机器需要使用一个滑轮组。
"Block and tackle: Combination of pulleys with a rope or cable, commonly used to augment pulling force."
滑轮和滑车组:带绳索和缆绳的滑轮组，通常用于增大拉力。
pulley是什么意思：
n. 滑轮（组），滑车，皮带轮
The pulley is considered one of the five simple machines.
滑轮被认为是五种简单机械之一。
The engineers worked out the Math and designed a system of nylon ropes and pulleys.
工程师们从数学上进行了论证，并设计出一个由尼龙绳子和滑轮构成的工作系统。
Blend Rational Bézier Fit in Reversing Production of Idler Pulley
导轮逆向生产中的混合有理bézier曲面拟合
The pulley of the clothes line jumped the track and Mother's washing fell down.
晾衣服绳子的滑轮脱绳了，妈妈洗的衣服掉了下来。
The rope slipped from my hands and coiled itself around the pulley.
绳子从我手中滑落绕在滑轮上。
block是什么意思：
n. 块；阻碍；街区；大楼
v. 阻止；阻塞；限制
Block a hat; block a garment.
制造一个帽子；制造一件衣服。
The shop assistant recommended the alphabet block and arithmetic block.
售货员推荐了字母表积木和算术积木。
hollow block construction
空心砖结构
hollow concrete block
水泥空心砖
To run(trains)on a block system.
用闭塞制管理（列车）
