平均 へいきん故障 こしょう間隔 かんかくじゃないです
heikinkoshōkankakujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 平均故障間隔

1. Not mean time between failures.; It's not the mean time between failures.

Negative
Polite
Casual Register
Computing