The paper introduces various kinds of methods on repairing damaged thead holes of mining and developingequipment in coalmines.
介绍了煤矿采掘设备破损螺纹孔的多种修理方法。
2
This has led companies and individuals to donate money to developing countries to buy computer equipment and Internet facilities.
这使得公司和个人捐款给发展中国家，以购买计算机设备和互联网设施。
3
Developing vibrant national recycling schemes is complex and simply financing and transfering high tech equipment from developed countries is unlikely to work, according to the report.