| 摘要 |
An operation unit (1) mounted so as to move along and be attached to a centre unit (2). The centre unit (2) is situated between a mooring device (3) and a surface unit (4). The operation unit (1) can be operated from the surface through devices such as tubes and image transmission through the centre unit (2). The operation unit (1) can be a fish cage for raising fish or other species, or can be a trapping device or the like. |
