arch block 拱面石 ; 拱块
arch crown block 拱顶石
arch skew block 拱脚斜块
abutment block of arch dam 拱坝重力墩
floor arch block 地板预制块
Earthjustice, a nonprofit environmental law firm, is suing to block the lease of state-owned land in Otter Creek, Mont., to Arch Coal for mining to serve demand in Asia and elsewhere.
地球公正，一个非盈利的环保律师事务所，正在请求阻止租赁蒙大拿奥特·克里克的国有土地和劝阻阿奇煤炭公司开采煤矿用于满足亚洲和其它地区的需求。
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。
The result of forecasting is consistent with the fact one. The applicability of block theory in overbreak of doubled arch tunnel is tested.
通过预测得出的结果证实了块体理论在高速公路连拱隧道超挖预测中的适用性。
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