A.F701爐停,反應(yīng)進(jìn)料停 B.F701爐停,反應(yīng)正常進(jìn)料 C.F701爐正常運(yùn)行,反應(yīng)進(jìn)料停 D.F701爐正常運(yùn)行,反應(yīng)進(jìn)料正常
A.5Kg/cm2 B.10Kg/cm2 C.15Kg/cm2 D.20Kg/cm2
A.升高 B.降低 C.不變 D.先降后升