| 摘要 |
The device for the transport of loads under water and that may be used also as a loading bridge, allows to reach great depths under water and comprises a tank (S), two tanks (Sg) and a float (G) in which the pressure automatically remains equal to the external hydrostatic one, due to a valve (V) with four functions that assures the air volume, predetermined in the loading phase, to be constant inside the tank with the variation of the depth.
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