Dead Reckoning" is one of the foundamental parts of nautics.
“航迹推算”是航海学的基本内容之一。
Dead Reckoning" is one of the foundamental parts of nautics.
“航迹推算”是航海学的基本内容之一。
Floating equipmet Buoys and lamps for nautics Luminous buoys Mooring buoy - Non-polluting floating...
分类题:—材和置|航、和灯塔...
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