By contrast, India's ageing conventional diesel-powered submarines need to constantly surface to recharge their batteries. 与此相反,印度军队传统的老式常规动力潜艇需要经常浮出水面充电。
The submarine force is composed both of conventional and nuclear-powered units, with underwater attack and some nuclear counterattack capabilities respectively. 潜艇部队编有常规动力潜艇部队和核动力潜艇部队,具有水下攻击和一定的核反击能力。