It is an important concern to protect tunnel lining structure from fire in tunnel fire prevention engineering.
衬砌结构防火是隧道防火的一个重要组成部分。
Biological engineering fire prevention is being performed, and has been broughinto the long-term plan of forestry construction.
生物防火工程正在有规划地实施，并纳入林业建设的长远建设规划中。
Biological engineering fire prevention is being performed, and has been broughinto the long-term plan of forestry construction.
生物防火工程正在有规划地实施，并纳入林业建设的长远建设规划中。
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