以上来源于: WordNet
Use the tapping screw fix the board on the sub-keel and do the treatment of the sean connection.
将板用自攻钉固定在次龙骨上，并做好接缝处理。
Conclusion: It is possible that retrograde lag screw fix the posterior column of the acetabulum clinically.
结论：髋臼后柱逆行拉力螺钉内固定是可行的。
Install the base on the ground, and adjust even using the level. Fix the screw, and connect the base and ground.
将底座安装在已打好的基础上，并用水平仪调平。拧好地脚螺栓上的螺母，将底座与基础固定联接。
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