“stiffleg derrick”的概念、定义、翻译、参考文献-科学参考

单词	stiffleg derrick
释义	stiffleg derrick [`stif¦leg `der·ik] ^{MECHANICAL ENGINEERING} A derrick consisting of a mast held in the vertical position by a fixed tripod of steel or timber legs. Also known as derrick crane; Scotch derrick.
随便看	plane of support plane of symmetry plane of work plane of yaw plane-parallel resonator plane parallel texture plane Poiseuille flow plane polarization plane-polarized wave plane polygon plane quadrilateral plan equation planer plane reflector plane sailing plane section plane strain plane stress plane surveying plane symmetry group planet plane table plane-table method planetarium planetary aberration

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