The wall was surmounted by a flat stone without a coping.
墙头上铺了平石板，不带椽条。
Dispersion ranges of stress, displacement and plastic region of different coping thickness of wall rock of an underwater highway tunnel are simulated.
模拟了某拟建中水下公路隧道，在不同隧道顶板厚度时的围岩应力、位移、塑性区的分布及大小。
Tunnel kiln is usually a long linear form tunnel, its two-sides and coping has fixed wall and condole top. an orbit laid at the bottom, which the kiln car is operated.
隧道窑一般是一条长的直线形隧道，其两侧及顶部有固定的墙壁及吊顶，底部铺设的轨道上运行着窑车。
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