本实用新型提供一种在不损害管道情况下，可有效防止爆炸的低浓度燃气输送管道。
The utility model provides the delivery duct for low concentration gas, which can effectively prevent explosion without damaging the duct.
海啸发生之后冷却系统失效导致了氢气爆炸，这把放射物吹出了核电站，注入氮气的行为就是为了防止这一悲剧再次发生。
That was to prevent a repeat of the hydrogen explosions that blew radiation out of the plant soon after cooling systems failed in the wake of the tsunami.
尽管工人们尽心尽力地努力去防止因地震而引发的福岛核电站的彻底爆炸，情况仍然越来越严重。
Despite workers' Herculean efforts to prevent a complete meltdown at the country's earthquake-ravaged Fukushima Daiichi nuclear power plant, the situation appears to be growing more serious.
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