A bulk carrier of 26000 dwts capacity with seven holds and of single deck construction ideal for world wide tramp operation especially bulk grain shipments with a speed of 15 knots
一艘载重26 000吨
A bulk carrier of 30000 dwts capacity with five holds and of single deck construction ideal for world wide tramp cargo operation with a speed of 15 knots
一艘载重30 000吨
algorithm of double levels of frequency and weight