| 摘要 |
The holder comprises a casing (2) and intermediate unit (3) consisting of a steel element (6), a copper element (9) and a steel element (12) joined together so as to form non-detachable bimetallic connections (10, 11), and of a partition (21) intended for deviating a cooling liquid flow in a chamber (20) formed by the copper element (9) and the casing (2). |
