英语词汇“θ213309”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	θ213309
释义	society > occupation and work > equipment > mining equipment > [noun] > pit equipment > at head of shaft (3) pit frame1760 the framework at the top of a mine shaft supporting the pulley. headgear1835 Mining and Oil Industry. A mechanism or apparatus at the head of a vertical well or shaft; spec. a tower containing winding gear. poppet-head1869 Mining. The frame at the top of a shaft, supporting the pulleys for the ropes used in hoisting. Now chiefly Australian and New Zealand.
随便看	duplexer duplexers duplexes duplexest duplexing duplexities duplexity duplexlathe duplexxest duplic duplicabilities duplicability duplicable duplicament duplicand duplicando duplicands duplicatable duplicate duplicate ague duplicate bridge duplicate proportion duplicate whist duplicated duplicately

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