Wear and it is also the economizer tube in boiler four tube blasting accident accounted for the proportion of one of the reasons for high.

而且磨损也正是省煤器爆管在锅炉四管爆破事故中占的比例较高的原因之一。

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Flying rock accident accounts for a great ratio of blasting accidents in open stone pits, which poses serious threat to safe production in mining area.

在诸多露天采场爆破事故中，飞石事故占很大的比率，对矿区的安全生产构成了严重威胁。

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Hanamura on but what about the rest of the 3 groups of aggrieved Zhou said: I used to run a small fireworks plant, how much money did not earn, a blasting accident but I get to go bankrupt.

月花村3组的周军然则痛心疾首地说：我过去办了一个烟花爆竹的小厂，钱没赚到多少，一场燃爆事故却把我弄得倾家荡产。

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