| 摘要 |
<p>The tanker has a generally cylindrical shell (1) which is closed at both ends (2,3). It has a tubular forward section (4), a second conical segment (5) and a main cylindrical segment (6). The rear segment (7) has a trapezoid lengthwise a section with a base which is slightly angled and rises towards the rear end. Its cross section is between that of the front segment and main segment. The front segment (4) of the tanker is at least as long as the coupling platform (8), and the main section (6) has a median axis (11) which is lower than the median axis (12) of the front section.</p> |
