It is proren by the blaoting autting practice of reinoforced concrete crossbeam of port that it is a high-speed, safety , eccnomical and effective construction method.

 
  • 通过钢筋混凝土码头横梁的切割爆破实践,表明该爆破法是一种快捷、安全、经济和有效的施工方法。
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