artificial material-core dam
... clay sloping core dam 粘土斜心墙坝 thin core dam 薄心墙坝 artificial material-core dam 人工材料心墙坝 ...
基于21个网页-相关网页
... embankment dam with clay core 黏土心墙坝 core dam 人工材料心墙坝 clay sloping core dam 粘土斜心墙坝 ...
基于8个网页-相关网页
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