Dead Reckoning" is one of the foundamental parts of nautics.
“推算”是海学的基本内容之一。
Dead Reckoning" is one of the foundamental parts of nautics.
“推算”是海学的基本内容之一。
Floating equipmet Buoys and lamps for nautics Luminous buoys Mooring buoy - Non-polluting floating...
类题:船舶—器材和装置|、浮筒和灯塔...
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