earth excavation technique 挖土技术
mechanized earth excavation 机械化挖土
rock and earth excavation 土石方开挖
volume of earth excavation 土方体积
earth excavation outside the caisson 井外挖土
earth-rock excavation 土石方开挖
During earth excavation construction, there is an analog approach process to get the volume of earth excavation.
在土方施工中，采用拟合原理求土方体积的方法，有较好的精度。
Earth excavation and backfill is to have the appropriate security measures to strictly regulate the construction.
土方开挖与回填是要有相应的安全措施，要严格按规范施工。
Anchored retaining wall can reduce the earth excavation quantity and avoid slope collapse in unfavorable geological conditions effectively.
锚杆挡土墙可减少土方开挖工程量，有效避免不良地质情况下的边坡塌方。
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