回線 かいせん利用 りよう効率 こうりつじゃありません
kaisenriyōkōritsujārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 回線利用効率

1. It is not line utilization efficiency. ; It's not about efficient line usage.

Negative
Polite
Terminal Form
Computing