Many of the diesel-electric submarines from that construction period are now in reserve.
Many of the diesel-electric submarines from that construction period are now in reserve.
许多在那个时期建造的柴电动力潜艇现在已经转为预备役。
Many of the diesel-electric submarines from that construction period are now in reserve.
许多在那个时期建造的柴电动力潜艇现在已经转为预备役。