The development of the research on the rock blast models at home and abroad is presented, then concept of rock blast models is described.
系统综述了岩石爆破模型的国内外研究现状，阐明了其基本思想。
Our shelter from the stormy blast, and our eternal home!
你是我们风暴中的避难所，我们永远的故乡！
The tap hole gun mud made by our factory features high plasticity, fast drying and easy reopening and is now widely used in tap holes of large and medium blast furnaces at home.
我厂生产的出铁口炮泥具有塑性高，干结快，再次开口容易等特点；目前广泛用于国内大中型高炉出铁口。
It is hard to discipline the young in a home where the television set of life is going full blast.
所以，在一个吵闹的家庭里，孩子自然是很难管教的。
It is hard to discipline the young in a home where the television set of life is going full blast.
所以，在一个吵闹的家庭里，孩子自然是很难管教的。
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