Tenon foundation is tenon type integer block under the foundation slab of retaning wall, which is part of foundation slab.
凸榫基础是在挡土墙底板底面设置一个与底板成整体的榫状凸块。
Tenon foundation is tenon type integer block under the foundation slab of retaning wall, which is part of foundation slab.
凸榫基础是在挡土墙底板底面设置一个与底板成整体的榫状凸块。
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