螺旋 らせん水揚 みずあ ではありませんでした
rasemmizuagekidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 螺旋水揚げ機

1. Was not a spiral water lifter.; Was not a helical pump.

Past/Perfective
Negative
Polite
Formal Register