CONSTITUTION:A bar-shaped magnetic body 2 with a plurality of attracted magnetic bodies is mounted on a sinking and floating body 3. When the pole-N of another magnetic body 6 is brought close to the pole-N 4 of the bar-shaped magnetic body 2 of the sinking and floating body 3 sunken...
Shipborne satellite EPIRBs can be activated__on floating free from a sinking ship()A.only manuallyB.only automaticallyC.manually or automaticallyD.by remote control
题目: The cause of the wreck of the ship Edmund Fitzgerald in a severe storm on lake Superior is still unknown , when the sunken wreckage of the vessel was round , searchers discovered the hull in two pieces lying close together , The storm's violent waves would have caused separate pieces...
The invention discloses a self-calibration relative sinking and floating measurement system and a measurement method of a ship, and belongs to the technical field of ships and ocean platforms. The measurement system is characterized in that relative sinking and floating self-calibration is performed ...
FLOATING DOCK FOR SINKING PREVENTION AND SALVAGE OF SMALL SHIPThe present invention relates to a floating dock for sinking prevention and salvage of a small ship which is arranged in a form of surrounding a sunken ship to salvage capsized and sunken ships by buoyancy. The floating dock comprises...
CONSTITUTION: Waste is collected from the sea, and transferred by a conveyor(13) installed to the stem of the ship. Water is separated from waste oil in a presser(16) and drained, and waste oil is stored in a waste oil storage tank mounted in the lower part of the ship to be ...
The utility model discloses a floating airbag (3) which can prevent a ship from sinking in an accident even though water enters the ship body. According to the design scheme, N pairs of floating airbag boxes (2) are symmetrically mounted on ship body steel plates above waterlines on two...