英语词汇“θ211892”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	θ211892
释义	society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > mouth or top of mine or shaft > apparatus at mouth of shaft (8) puppet head1778 = poppet-head, n. 2. Obsolete. headgear1835 Mining and Oil Industry. A mechanism or apparatus at the head of a vertical well or shaft; spec. a tower containing winding gear. headstocks1845 In plural. Mining. The headframe of a mine. Cf. head frame n. (a) at head, n.1 compounds 4. 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. head house1870 Mining. A structure containing the winding gear at the top of a mine shaft. shaft-house1872 ‘the heavy framework for the pulleys and landing-place at the top of a mining shaft, some-times enclosed for protection from the weather’ (Funk's St… shaft-tackle1874 = poppet-head, n. 2. shut1886 Something which shuts off or closes up. gen. A hinged or sliding door or plate for closing an aperture; †a valve. Also in Mining: see quot. 1886.
随便看	managed managed bond managed care managed competition managed currency managed economy managed fund managed trade managee management management accountant management accounting management board management buy-in management buyin management buyout management by exception management by objectives management committee management consultancy management consultant management education management expenses management game management information system

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