shear legs

名词 n.
中文释义

英文释义

名词 n.
  1. A form of derrick, consisting of three poles and a block and tackle, used to hoist and lower heavy weights, especially the masts of sailing ships. uncountable
    — Apart from its unique public viewing gallery, the depot features 40-ton capacity shear legs which will be complemented shortly by an overhead lifting crane.

词形变化

shearlegs alternative sheerlegs alternative sheer legs alternative
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