The technique conduce to decrease time due to installing headgear occupy shaft alone and cut construction time of whole mine.
本工艺对减免井架施工的占井工期、缩短整个矿井建设工期有一定的意义。
For a long time, Chinese coal-mining cities always adopt the development mode of "development and construction around mine", and resulting in more scattered city space structure.
长期以来,我国的煤矿城市大多采取“缘矿而建”的开发模式,由此形成较为分散的城市空间结构。
Be widely applied on various construction equipments with some features, big vibration and shock frequently, working long time, terrible environment machines, such as roller, grab, mine transporter.
广泛应用于震动幅度大、冲击频率高、作业时间长、环境恶劣的各类工程机械,压路机、挖掘机、矿山运输车辆等。
The reasonable term of mining rights value calculation was proposed which was equal to the sum of mining rights service time and basic construction period before mine commissioning.
一定时间范围内,同宗矿权地的采矿权期限越长,采矿权价值就越大。
The reasonable term of mining rights value calculation was proposed which was equal to the sum of mining rights service time and basic construction period before mine commissioning.
一定时间范围内,同宗矿权地的采矿权期限越长,采矿权价值就越大。
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