精密 せいみつ機械 きかい工業 こうぎょうでしょう
seimitsukikai kōgyōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 精密機械工業

1. Precision engineering industry; Probably the precision engineering industry

Polite
Presumptive
Conjecture