当减压转油线出现大泄漏时应采取()措施。
A.减压炉迅速切断进料,单歼常压
B.减压塔破真空
C.减压塔内通人蒸汽,逐步恢复正压
D.降低塔内温度
参考答案:A, B, C
Was it in this very room ____ he made up his mind ____ he should break away from his family?
A.that; which
B.which; that
C.which; which
D.that; that
断路故障一般是在电路的供电回路发生的。()