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在浇筑混凝土时,空钢管是模板,又要承受内部湿混凝土水平方向的静水压力。
The steel tubes will suffer initial stress before they can work together with concrete infilled.
youdao
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在浇筑混凝土时,空钢管是模板,又要承受内部湿混凝土水平方向的静水压力。
The steel tubes will suffer initial stress before they can work together with concrete infilled.
youdao