1. Formation center tester(FCT) is made up of hydraulic power joint, double PACKER joint, opposing infuse joint, numeric pump exhausting joint, sensor joint and sampling tube joint. �꾮���������������Һѹ�����̽ڡ�˫PACKER�̽ڡ�����ע��̽ڡ����ֱó�̽ڡ��������̽ں�ȡ��Ͳ�̽���ɵġ�
2. Objective To study the range and change of stress in normal radiocarpal joint. Ŀ���о���������ؽ���Ӧ���ֲ�����仯���ɡ�
3. The release of TCL resulted in radial and palmar displacement of the scaphoid, flexion and radial rotation of radiocarpal joint as well as a further radial deviation of the whole carpal tunnel. ����ʹ����г������۹Ƿ����������Ʋ��ƫ�ƣ��Լ�����������������ת������������ܽṹ�������������ƫ�ơ�
4. The shoulder is a complex joint which consists of sternoclavicular joint, clavicle, acromioclavicular joint, scapula, glenohumeral joint, proximal humerus and scapulothoracic joint. ��ؽ����������ؽڡ��ǡ����ؽڡ��ιǡ��Źؽڡ��ǽ����Լ������رڹؽڹ�ͬ��ɵĸ��ӽṹ��
5. The material choice, moulding method, joint principle and shape design of hinge joint, hasp joint, clamp joint and press fit joint of normal plastics were introduced. ���ܳ������Ͻ������ӡ�������ӡ��������ӡ�ѹ��װ�����ӵ����Ӽ�����ѡ���ͷ���������ԭ������״��Ƶȡ�