gradient post

名词 n.
中文释义

英文释义

名词 n.
  1. A post or stake indicating by its height or by marks on it the grade of a railroad, highway, embankment, etc. at that point.
    — Long before Shap platform showed up around a corner and the two arms on the gradient post drooped in both directions at once, Duchess of Buccleuch's amiable throbbing purr at the stack [funnel, chimney] had become a fierce freight-engine bark, as she resolutely dragged at her enormous load.

词形变化

gradient posts plural
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