| 摘要 |
In an offshore terminal with underwater foundation and underwater pipeline leading from the shore to the foundation, a tower in which a pipe runs up, from the pipeline to connecting facilities at the top; the tower has floatation tanks and is hinged to the foundation for selective erection, whereby the top of the tower projects above the waterline, and for folding down for the tower to lie on the ocean floor. The bottom of the tower when erected, being releasably locked to the foundation.
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