英语词汇“crown block”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	crown block
释义	crown block noun : a timber or steel pulley support connecting at the top the derrick posts of an oil well
随便看	knuckle press knuckle sandwich knuckle under knuckle under (to) knuckle under to knuckle-dust knuckle-duster knuckle-joint press knuckle-kneed knuckleball knuckleballer knuckleballers knuckleballs knucklebone knucklebones knuckled knuckled down knuckled down (to) knuckled down to knuckled under knuckled under (to) knuckled under to knuckledusters knucklehead knuckleheaded

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

crown block