precast concrete segment 预制混凝土砌块
huge concrete segment 大体积混凝土管片
recycled concrete segment 再生混凝土节段
reinforced concrete segment 钢筋混凝土管片
Gradient Structure Concrete Segment 梯度结构混凝土管片
functionally graded concrete segment 功能梯度混凝土管片
steel fiber reinforced concrete segment 钢纤维管片
lining segment of prestressed concrete 预应力混凝土衬砌块
concrete lining segment 混凝土衬砌块
The reinforce concrete segment used in shield tunnel has some inherent shortcomings.
盾构法施工中长期采用的钢筋混凝土管片存在一些固有缺点。
But the large-diameter concrete segment in the production sometimes happens more bubble, thus it is easy to form leakage channels, which affects the durability.
但大直径混凝土管片在生产中易出现较多气泡，从而易形成渗漏通道，影响管片的耐久性。
The injury degree of waist, the concrete part of lumbar spine epiphyseal injury and the change degree of formation structure of spinal column and waist segment were observed mainly.
主要观察运动员腰部损伤程度、腰椎椎体骨骺损伤的具体部位、脊柱腰段的形态结构的改变程度。
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