基本解释

• [经济学]移动桥式吊车

英汉例句

双语例句

• Steel through truss bridge has some excellence, such as low girder, light deadweight, high carrying capacity, comfortable travelling crane, short construct periods.
  下承式钢桁架桥具有梁高低、自重轻、承载能力大、行车平稳舒适、施工周期短等优点。

专业释义

经济学

• 移动桥式吊车