基于它的研究，708所为改良性能把标准排水量增加到1,800吨。
Based on its studies, 708 Institute suggested to increase the standard displacement to 1,800 tonnes for improved performance.
基于它的研究，708所为改良性能把标准排水量增加到1,800吨。
Based on its studies, 708 Institute suggested to increase the standard displacement to 1,800 tonnes for improved performance.
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