化工厂常见的间壁式换热器是()。
A、固定管板式换热器
B、板式换热器
C、釜式换热器
D、蛇管式换热器
参考答案:A
The specific gravity of the water in the great Salt Lake is too great that one cannot sink or completely submerge in it.
A.so
B.very
C.such
D.indeed
胆汁淤滞时升高最显著的生化指标是()。
A.LDH
B.A/G
C.ALP
D.ALT
E.AST