Surveying. A metal or metal-tipped rod placed in the ground by a surveyor to mark each chain length; = chain-pin n. at chain, n. compounds 3. Cf…
单词 | θ7431 |
释义 | the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > chain > arrow used to guide a measuring chain (2) arrow1600 Surveying. A metal or metal-tipped rod placed in the ground by a surveyor to mark each chain length; = chain-pin n. at chain, n. compounds 3. Cf… broach1600 A surveyor's arrow used with the chain. Obsolete. |
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