声呐是潜艇重要的探测设备。

Sonar is an important equipment of submarine.

youdao

杰夫，我们有没有什么专门的潜艇救援设备？

Jeff, don't we have some specialized submarine rescue equipment?

youdao

借由潜艇及其他潜水设备之便。

With the use of submarines and other diving equipment.

youdao

借由潜艇及其他潜水设备之便。

With the use of submarines and other diving equipment.

youdao