英语词汇“rack block”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

rack block n. Nautical a wooden frame containing several sheaves (sheave n.¹ 2a).

ΚΠ

1794 D. Steel Elements & Pract. Rigging & Seamanship I. 156 Rack-blocks are a range of small single blocks, made from one solid.

1867 W. H. Smyth & E. Belcher Sailor's Word-bk. 557 Rack-block, a range of sheaves cut in one piece of wood, for running ropes to lead through.

1927 G. Bradford Gloss. Sea Terms 136/2 Rack block, a series of fairlead sheaves set in a piece of wood.

1989 tr. W. zu Mondfeld Hist. Ship Models 320 Spritsail clew lines belayed to a cleat in the head before 1720, and later reeved through the gammon lashing or rack block and belayed to a timber head on the forecastle.

单词	rack block
释义	> as lemmas rack block rack block n. Nautical a wooden frame containing several sheaves (sheave n.¹ 2a). ΚΠ 1794 D. Steel Elements & Pract. Rigging & Seamanship I. 156 Rack-blocks are a range of small single blocks, made from one solid. 1867 W. H. Smyth & E. Belcher Sailor's Word-bk. 557 Rack-block, a range of sheaves cut in one piece of wood, for running ropes to lead through. 1927 G. Bradford Gloss. Sea Terms 136/2 Rack block, a series of fairlead sheaves set in a piece of wood. 1989 tr. W. zu Mondfeld Hist. Ship Models 320 Spritsail clew lines belayed to a cleat in the head before 1720, and later reeved through the gammon lashing or rack block and belayed to a timber head on the forecastle. extracted from rackn.⁴ < as lemmas
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