浮阀型号F1Z-3A中的“A”代表材质为()。
A.1Cr13
B.1Cr18Ni9Ti
C.A3F
D.Cr18Ni12MoTi
参考答案:C
In relation to the Vietnamese legal system, explain the meaning of the following terms:
(a) Criminal law. (2 marks)
当两个物体的密度差大于0.35%即可被CT分辩时,表明该CT机器的密度分辨率为:().
A.1%
B.3.5%
C.10%
D.0.35%
E.以上都不是