[5] frame����ʽҺѹ֧��

[6] chock����ʽҺѹ֧��

[7] shield���ڻ�ʽҺѹ֧��

[8] chock shield��֧���ڻ�ʽҺѹ֧��

[9] setting up���̶�������

[10] segmented canopies���ָ�Ķ���

[11] hinge-jointed���������ӵ�

[12] solid base������ʽ����

[13] spring plates�����ɸְ�

[14] double-acting ram��˫����ǧ�ﶥ

[15] piston������

[16] cylinder��Һѹ��

[17] steel bars���������ְ�

[18] canopy������

[19] walkway�����е�

[20] gob window�������

[21] longitudinal stability��������ȶ���

[22] box-shaped steel frame�����θּ�

[23] leg-restoring device�����ȸ�λװ��

[24] induced caving���˹��Ŷ�

[25] access to the gob���ɿ���ͨ·

[26] kinematically stable support���˶�ѧ�ȶ���֧��

[27] seals off the gob����ղɿ���

[28] rock debris:��ʯ��

[29] loading capacity����������

[30] terminology�����ר������

[31] motional traces���˶��켣

[32] orientations������λ

[33] canopy geometry�������ļ�����״

[34] supporting efficiency��֧��Ч��

[35] Load-bearing unit:���ز���

[36] lemniscate bars��˫Ŧ�����ˣ�������

[37] face guards�������濾��װ��

��һҳ[1][2][3][4][5][6][7]��һҳ