英语词汇“roof jack”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	roof jack
释义	roof jack roof jack [′rüf ‚jak] (mining engineering) A screw- or pump-type extension post used as a temporary roof support.
随便看	trimmed her off trimmed him down trimmed him off trimmed joist trimmedly trimmed me down trimmed me off trimmed off trimmed one down trimmed one off trimmed opening trim me down trimmed rafter trimmed sails trimmed sails to the wind trimmed them down trimmed them off trimmed us down trimmed us off trimmed you down trimmed you off trim me off trimmer trimmer arch trimmer capacitor

英语词典包含2567994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。