... wedging effect 楔入效应 mineral wedging 矿物楔裂作用 wedging bit 楔形钻头 ...
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Conclusions: Wedging and bone mineral density decreasing of the vertebral body may be induced by spine instability, which contribute to kyphosis and osteoporosis of th spine.
结论：腰椎椎间失稳可诱发椎体楔变和骨密度减低，致脊柱后凸畸形及骨质疏松。
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