To replace the relief valve disc, hold the upper guide fin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。
2
Conclusion The new modality of nursing care and convalescence guide is effective on RF for cervical disc herniation.
结论日间手术护理和康复指导适用于射频热凝靶点治疗颈椎间盘突出症手术。
3
The camber of the plate after cutting in disc type shear is reduced by adding hydraulic movable pusher in front of the shear and adjusting the side guide roller behind the shear.