单词 | sheet-block |
释义 | > as lemmassheet-block sheet-block n. see block n. 2. ΚΠ 1644Sheate-block [see sense 1a]. 1794 D. Steel Elements & Pract. Rigging & Seamanship I. 225 Sheet-block straps in the lift with a splice. 1841 R. H. Dana Seaman's Man. ix. 47 In which case the heavy tack and sheet-blocks may be unhooked. < as lemmas |
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