由於減壓閥失效

由於 youˊ yuˊ

(Because of, Given, Owing, Since) Since, Because of, Owing to, Given

減壓 jianˇ yaˉ

(Stress) Stress reliever

減壓閥 jianˇ yaˉ faˊ

(Pressure) Pressure release valve

失效 shiˉ xiaoˋ

(Didn't apply, Didn't work, Fail, Failed, Was useless, Wasn't) Fail, Failed, Didn't work, Didn't apply, Wasn't applicable, Was useless