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	blogstalking blogstorm blogstream blog swarm blogswarm blogueurs des alpes blogueurs sans frontières blogvertising blog writers and artists network blohm & voss industries blois blois hobby products blois, loir-et-cher blois poker club blois sologne astronomie blois specialités auto industrie blok blok, aleksandr blok, aleksandr aleksandrovich blokart blokarting blok (disambiguation) bloke blokedom blokeish

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。