钢筋混凝土预制桩
- 网络precast reinforced concrete piles; prefabricated reinforced concrete pile
钢筋混凝土预制桩
钢筋混凝土预制桩
precast reinforced concrete piles
土木工... ... 负摩擦力 negative skin friction of pile 钢筋混凝土预制桩 precast reinforced concrete piles 钢桩 steel pile ...
prefabricated reinforced concrete pile
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