investigation of disaster 灾害调查 灾害调查 investigation of ground conditions 地基调查 地盘调查 investigation of land form 地形调查 地形调查 ..
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investigation of ground conditions detail 地基调查
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Engineering seismic investigation in city is limited by ground and conditions of seismic environment it is worked very difficult.
城市工程地震勘察因场地及地震环境条件的限制,其施工难度大。
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