tackle-block pulley block block and tackle assembly pulley sheave block
I finally hoisted him up with a block and tackle.
我最终用滑轮组把他拉了上去。
—— 柯林斯例句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。
—— 给力词典精选Tension holds the belt in the pulleys.
张力使滑轮组中的传动带保持绷紧状态。
—— 给力词典精选From this saving must be subtracted the cost of gears or belts and pulleys.
从这笔节省费用中,必须减去齿轮或者滑轮组的成本。
—— 给力词典精选Block and tackle: Combination of pulleys with 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。
—— 给力词典精选