Pyongyang says its torpedoes are made of steel alloys .

平壤说，它的鱼雷是由合金钢做的。

They began talking about radio control for torpedoes .

他们开始谈论如何用无线电操纵鱼雷。

Cavitating torpedoes remain rare , not least because they are problematic .

空泡鱼雷目前仍然少见，主要原因是这种鱼雷自身还存在问题。

It can carry torpedoes , missiles , depth charges and other weapons .

它可以携带鱼雷、导弹、深水炸弹以及其他武器。

In any case , modern torpedoes and missiles are guided to their target electronically .

在任何情况下，现代的鱼雷和导弹都采用了电子制导来跟踪目标。