Talk:Equipment/@comment-114.79.2.40-20131010232811/@comment-17677153-20131011044236

The game does not use a phrase for "dual-purpose". It uses 高角砲 for "high-angle gun". That's all you need to know that it's dual-purpose.

There is one exception to this, and that is the 46cm gun. It is also (somehow) dual-purpose, but people had to discover that for themselves.