せん進行 しんこう方向 ほうこうではありませんでした
senshin kō hōkōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 線進行方向

1. Was not the line's direction.; Was not in the direction of the line.

Past/Perfective
Negative
Polite
Formal Register
Computing