在地下洞室爆破工程中，做爆破设计时线装药密度和线密度是一个意思吗？若不是，区别是什么？ 应该是的
英语翻译 Red Sea Sui Chi tunnels to Suifenhe section of the rail tunnel Mudanjiang expansion and reconstruction project，the design of tunnel-type import and export are used hat oblique Portal to meet the aesthetic requirements.The New Austrian Tunnel construction methods，lining are made of composite lining.Ⅲ~Ⅴ grade wall rock songs are used with the tunnel invert lining structure，Entrance by Myeong excavation，to advance support and overall lining.Tunnel ventilation with forced ventilation.Drainage design to take\"anti-，row，section，block combined with local conditions in a comprehensive\"principle；in the water-rich location and there are strict requirements on the water environment of the lot，take the\"block-based，limited emissions\"Principle.In accordance need to set up an inclined shaft of the tunnel as an auxiliary tunnel.Tunnel equipped with fixed lighting，additional emergency lighting，special chamber set to a fixed lighting.The construction，excavation by blasting，over and under strict control。
