pulley-sheave

基本解释

• 滑车滑轮

同根派生

英汉例句

• pulley sheave
  滑车滑轮
• Our flag is raised to the top of a pole by a rope and two pulley.
  我们的旗帜被用一根绳子和两个滑轮升到了竿顶。
• He drew a sheaf of papers from his breast pocket.
  他从上衣口袋里抽出一札文件。
• The speaker had a sheaf of notes on the desk in front of him.
  演讲者在他面前的桌子上放着一叠笔记。
• The lifting device is a system of rope and pulley.
  这种起重装置是由缆索和滑轮组成的。