| 摘要 |
The secondary thermal barrier comprises a lower base (1) in the shape of a circular ring, on the inner and outer ring is connected the inner height compensating wall (3) and the outer height compensating wall (2). The lower base (1) is formed for the location of the primary thermal barrier (5) and the inner height compensating wall (3) and the outer height compensating wall (1) are formed on tight coupling with shell. |
