... mechanical core wall 设有设施装置的心墙 clay core wall 粘土心墙 concrete core wall 混凝土心墙 ...
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inclined clay-core wall 粘土斜墙
clay core wall sand dam 粘土心墙砂壳坝
The reservoir dam is an earth dam with a clay core wall, built earliest in our country.
水库大坝是我国建设最早的碾压式粘土心墙土石坝。
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