lash-up
3.Answer: (1 ) build perfect and aseismatic take precautions against natural calamities to guarantee a system; (2) make and carry out an enterprise program of aseismatic take precautions against natural calamities and lash-up countermeasure; (3) had done seriously build a project the aseismatic consolidate of aseismatic fortify and original project and equipment works; (4) the conduct propaganda of knowledge of aseismatic take precautions against natural calamities mixes aggrandizement gain ground.


