Objective To treat unstable fractures of the distal end of the radius with open reduction and internal fixation with t type plate.
目的总结桡骨远端不稳定骨折T型钢板内固定治疗的效果，以提高桡骨远端不稳定骨折的治疗效果。
Open and close valve is equipped for front-end memory type alloy detector and upper shifting fork.
并设前端装记忆合金检测器与上拨叉配合的开闭阀。
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
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