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-现代词典

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	lostness lostnesses lot lot's law lota lotae lotah lotahs lotas lote lotebush lotebushes lotes lotest lotewood loth Lothair I Lothair II Lotharingian lothario lotharios lother lothest lothringen lothringens

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