He said that the laboratory has developed a number of hydrogen fuel cells, will improve as a diesel-electric submarines of the use of power.

• 他说，实验室已开发出若干氢燃料电池，将作为改善柴电潜艇的动力使用。据比拉依表示，迄至目前仅有一、两个国家在研发潜艇用氢燃料电池。