以下为句子列表：
英文: Development and application of rockbolting technology for inseam roadways in Xinwen Coal
中文: 新汶矿区煤巷锚杆支护技术应用与发展
更详细...
英文: Traditional gas drainage techniques, such as drilling roof holes from tailgate or drilling inseam and cross-measure holes, sometimes can not meet the requirements of methane drainage for a modern longwall operation.
中文: 传统的高位钻孔、(本) 煤层钻孔及穿层钻孔抽放技术有时不能完全满足现代化煤矿生产对瓦斯抽放的要求。
更详细...
|
