The construction of the first submarine was seriously delayed by the political impact if the 'Culture Revolution'.

第一艘潜艇的建造严重地被某些原因延迟了。

youdao

The construction of the first submarine was seriously delayed by the political impact if the 'Culture Revolution'.

第一艘潜艇的建造严重地被某些原因延迟了。

youdao