かん太平 たいへい よう造山 つくりやま たいであれば
kantaiheiyō tsukuriyamataideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 環太平洋造山帯

1. If it were the Circum-Pacific orogenic belt.; If the Circum-Pacific orogenic belt existed.

Ba Conditional