A.0.5% B.10% C.5% D.1%
A.90 B.95 C.100 D.75
A.開放空泄壓 B.關(guān)閉TV-A306降溫,待壓力穩(wěn)定后,緩慢的適當(dāng)放空泄壓 C.適當(dāng)升壓 D.等待有回流出現(xiàn)