A pressure blow-off door inside the nose cowl prevents cowl damage by an overpressure. What does"blow-off" mean?
A.爆炸; B.放(排)气; C.吹气; D.击打;正确答案B
A pressure blow-off door inside the nose cowl prevents cowl damage by an overpressure. What does"blow-off" mean?
A.爆炸; B.放(排)气; C.吹气; D.击打;正确答案B