蒸发系统夹带后的处理措施有()。
A、工艺冷凝液槽置换
B、调整蒸发系统蒸气进料量
C、加大蒸发塔顶部回流量
D、检查调整蒸发系统各塔液位
参考答案:A, B, C, D
石膏或夹板外固定之后最应注意下列哪种情况?()
A.松脱
B.骨折再移位
C.压迫性溃疡
D.血循环受阻
E.石膏变形
The option position illustrated in the following profit/loss diagram depicts a: ()
A. long call where the breakeven is $53.50.
B. long call where the breakeven is $46.50.
C. short put where the breakeven is $53.50.