The utility model has the advantages that the utility model can fit a large rang of wind velocity changes and make full use of the wind energy.
它具有能适应较大风速变化范围,能充分利用风能的优点。
2
With preoperative cervical sequence changes, high-stress position (C2 or C7) and small joint involved, the postoperative cervical alignment and rang of motion may be affected.