... dam roadway ==> 坝上道路 dam shell ==> 坝壳 dam shoulder ==> 坝肩,坝两岸放置坝体及其邻近受力部位的坝基 ...
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earth-rock dam shell 砂砾石坝壳
material for dam shell 坝壳土石料
dam shell material construction 坝壳料施工
shell dam 硬壳坝
hard shell dam 硬壳坝
sand-shell dam 砂壳坝
upstream shell of dam 上游坝壳区
Strength of materials is required for building dam shell for the sake of stability.
土石坝的坝壳材料主要为了保持坝体的稳定性，一般要求有较高的强度。
Meanwhile, with theoretical analysis and project analogy, the authors evaluate the characteristics of projects taking grit and pebble as dam shell enrockment.
并通过理论分析和工程类比，对砂卵石作坝壳堆石料时的工程特性作出了评价。
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