The demolition of hollow brick structure by multi point air coupling blasting is introduced.
介绍了采用多点空气耦合爆破拆除技术对空心砖结构实施定向爆破。
The large tombs are invariably of a multi-chambered brick structure equipped with a long tomb passage and a tall brick facade.
较大型墓葬均为多室砖墓，有长墓道和高大的砖砌照墙。
The large tombs are invariably of a multi-chambered brick structure equipped with a long tomb passage and a tall brick facade.
较大型墓葬均为多室砖墓，有长墓道和高大的砖砌照墙。
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