Board Thread:Wikia Discussion/@comment-25683568-20150318062713/@comment-25534439-20150405110256

If the interpretation is like a combined installation, then that's probably just covered by the use of twin/triple/etc. instead of two/three/etc.. Put another way, taking 12.7cm連装砲 and translating to 12.7cm Two Guns could be interpreted as two separate gun mountings each with a single gun, while 12.7cm Twin Guns implies that they are grouped together into one object. Probably.

I don't translate often and I certainly don't know nearly enough Japanese to understand any nuance of character choice. Will hold any further thoughts I have until some others chime in. "*echo*...*echo*..." indeed.