按照疲劳损伤为线性关系的理论,若设备已使用100天而积累损伤率为0.2,则剩余寿命应等于()天。
A.200
B.400
C.600
D.800
参考答案:B
防止煤场存煤自燃的一般措施有那些?
34.The artist was welcomed into a room that seemed to serve as workshop, sitting-room and kitchen ______.
A.combined
B.to combine
C.combining
D.being combined