| 摘要 |
<p>Main cylinder body (C) has two tubular elements (4 a, b) placed on either side of transversal plane (P). Web (6) moves in gap (5) between those element, and is attached to cylindrical sleeve (7). Tubular elements are linked to each other with longitudinal strap (10) with longitudinal groove (12). Link is ensured by radial screws (13).</p> |
