[12] scoop������

[13] bulldozer��������

[14] blast holes������

[15] explosives��ըҩ

[16] earth-moving trucks�������ƶ�����

[17] transport�����䣬����

[18] horizontal seam��ˮƽú��

[19] opening���ӵ�

[20] conveyor�����ͻ�

[21] track haulage���������

[22] trolley locomotive������ʽ�����

[23] mine cars����

[24] electric hoist���綯������

[25] steel rope����˿��

[26] cost-effective���ɱ�Ч��

[27] gasoline engine�����ͷ�����

[28] maximum torque�����Ť��

[29] satellite aids�����Ǹ���

[30] global positioning system (GPS)������λϵͳ

[31] topography������

[32] visual information��������Ϣ

[33] monitor���������������

[34] conventional mining����ͳʽ���ɷ�

[35] continuous mining����������ú����ʽ���ɷ�

[36] longwall mining������ʽ���ɷ�

[37] room-and-pillar mining������ʽ���ɷ�

[38] supporting the roof��֧������

[39] ventilation��ͨ��

[40] cutting���ظ�Ͳ�

[41] drilling������

[42] blasting�����ƣ�����

[43] coal removal����ý

[44] loading��װ��

[45] timbering��ľ֧��

[46] roof bolting������ê��֧��

[47] collapsing�����䣬����

[48] dangerous gases��������

[49] slot���ۣ���

[50] mobile cutting machine���ƶ�ʽ��ý��

[51] flame-free explosion�����汬��

[52] noxious fumes�������

[53] rubber-tired electric vehicles (shuttle cars)���綯���ֳ�����

[54] chain (or belt) conveyor system���ΰ壨���������ͻ�ϵͳ

[55] mobile machine���ƶ�ʽ����

[56] metal-studded rotating drums������˫ͷ��˨ʽ��ת��Ͳ

[57] coalface����ú������

[58] remote-controlled��ң�ص�

[59] self-advancing support������ʽ֧��

[60] hydraulic or self-advancing jacks��Һѹ������ʽǧ�ﶥ

[61] chocks����ʽ��Һѹ��֧��

[62] face advances���������ƽ�

[63] roof-building machinery��������е

[64] coal recovery��ý̿������

[65] solid coal��ʵ��ú

[66] intervening pillars��ú�����ú��

��һҳ[1][2][3][4]