| 摘要 |
It is described an indicator apparatus for indicating a displacement of two segments, in particular two wall segments of a wind turbine tower wall, relative to each other, the indicator apparatus comprising: a body (101); a first connection element (107) mounted at the body and adapted to be connected to a first segment; and a second connection element (111) mounted at the body and adapted to be connected to a second segment, wherein the body is configured to generate information indicative of a relative displacement of the first connection element and the second connection element. |
