Type II B(lv1)
The Type II B has a slightly longer hull than its predecessor, the Type II A.
II型B式有個比它的前輩II型A式還長的船體
This extra length amidships allows the U-boat to carry an additional 9 tons of fuel, thereby almost doubling its action radius.
這額外的船體使U艇能額外攜帶9噸的燃料,幾乎增加了一倍的行動半徑
The Type II B has 2 periscopes.
II型B式有兩個潛望鏡