crown block

常見(jiàn)例句

雙語(yǔ)例句

• To replace the drilling line wrapped around the crown block and traveling block.
  爲(wèi)更換纏繞在天車(chē)和遊動(dòng)滑車(chē)周?chē)蔫嵕摻z繩用。
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• The drilling line is reeled over the crown block and traveling block to gain mechanical advantage in a "block and tackle" or "pulley" fashion.
  鑽井用鋼絲繩通過(guò)天車(chē)和遊動(dòng)滑車(chē)以滑輪組的形式獲得機(jī)械上傚益。
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• The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
  詳細(xì)介紹了對(duì)雙導(dǎo)梁式架橋機(jī)天車(chē)、行走系統(tǒng)、有傚工作長(zhǎng)度及預(yù)制梁安裝就位的改進(jìn)情況。

權(quán)威例句

• Strongly influenced behind the scenes by the Crown family of Chicago, which owned a controlling block of shares, the company sold off most of its military businesses when the Cold War ended in the biggest fire sale the defense sector had ever seen.
  FORBES: General Dynamics Begins 2013 With New Leader, Changing Business Mix
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