derrick,

  • Derrick, A-framed - A架起重桿
  • Derrick, guy - 頂索起重桿
  • Derrick, shear leg - 雙肢起重桿
  • Derrick, stiff leg - 定肢起重桿
  • Derrick, timber stiff leg - 木肢起重桿

    • 第 12 筆 / 共 40 筆