C2 noun #70,929 最常用

a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson

rider plate 30秒了解

  • (noun) a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson

Meanings

  1. 1
    noun a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson
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