中高層 ちゅうこうそう住居 じゅうきょ専用 せんよう地域 ちいきであれば
chūkōsō jūkyosen'yōchiikideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 中高層住居専用地域

1. If it is a residential area for medium- and high-rise buildings.; If it were a residential area for medium- and high-rise buildings.

Ba Conditional
Law