| 单词 | union purchase |
| 释义 | > as lemmasunion purchase union purchase n. British (a) attributive designating a system of handling cargo involving two connected derricks working in tandem; (b) this system of handling cargo. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > operation of two derricks in tandem union purchase1925 1925 Scotsman 10 July 5/5 The cargo handling arrangements are very complete.., ten electric winches and fourteen derricks working on the Union purchase system. 1926 B. Cunningham Cargo Handling at Ports (ed. 2) v. 46 The principle of using the double line with a single hook for the combined process of lifting and slewing, called in this country [sc. Great Britain] the Union Purchase. 1961 B.S.I. News Mar. 13/1 Greater safety for stevedores handling cargo by the union purchase method (the operation of two ships' derricks in tandem). 1993 Mariner's Mirror 79 73 The two 3-ton derricks at each hatch..could be rigged in union-purchase. < as lemmas |
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