| 摘要 |
An offshore, deep-water crane including a support structure, a lifting arm secured to the support structure and extending therefrom, and at least one lifting rope extending from the support structure towards an end of the lifting arm remote from the support structure is disclosed. The lifting rope has a specific gravity less than 3 and a traction winch for moving the at least one lifting rope from the support structure along the arm and vice versa. |
