A.防止汽輪機動靜部件軸向碰撞 B.防止機組發(fā)生火災(zāi) C.防止汽輪機超速 D.防止汽輪機轉(zhuǎn)子振動超限
A.(104~106)% B.(107~109)% C.(110~112)% D.(112~115)%
A.0.05% B.0.5% C.1% D.5%