1.D 2。 C 3。 C 4 explosive D 5。 B 6。 C 7。 An eight. C
Second,
9.2.5 -5/2 2.5 10. Point Ab37011.10-4/912.13×/kloc-0. -.
That's all I know. Maybe it will help you.
1. Current situation of safety engineering specialty
Students in this major mainly study disaster prevention technology and engineering and ventilation, purificat