结论旋入式自锁髓内针较其它内固定材料操作简单，手术时间短，创伤小，出血少，并发症少且疗效可靠。
Conclusion The operation with screwing-type bone nail with self-lock was simple, less time, little trauma, little bleeding, little complication and safe.
选用莱宝旋片式机械泵实现了高可靠性、少维护时间，减小系统占地面积。
Leybold rotary mechanical pumps to reach higher running stability, less maintenance time and smaller occupation space.
旋挖钻机因其效率高、污染少、功能多的特点，在桩基施工中得到了广泛应用。
Due to the rotary drilling rig characteristics of high efficiency, less pollution, more functional, it has been widely applied in the pile foundation construction.
应用推荐