strongback

名词 n.
中文释义

英文释义

名词 n.
  1. The fore-and-aft spar extending from stem to stern on a lifeboat and serving as a raised spreader for a boat cover. (FM 55-501)
  2. A strong bar placed across a hatch opening to hold hatch boards or hatch covers. (FM 55-501)
  3. A load-bearing post with a T-shaped cross-section, where the short T-tail prevents bowing of the long post.
  4. A backing pole used to reinforce and stabilize vertically-oriented sculptures.
  5. A vertical structure used to support and stabilize a rocket, often hosting fuel and power umbilical connections. Usually retracted immediately before launch.

词形变化

strongbacks plural

词源

From strong + back.
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