drift bolt
[机] 冲头螺栓
常用释义
英式发音
美式发音
基本释义
- [机] 冲头螺栓；锚栓
例句
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1·This paper introduces driving rock drift with minor diameter bit, minor diameter cartridage and minor diameter bolt, it can realize smooth blasting, roadway speed is raised, driving cost is reduced.在岩巷掘进过程中使用小直经钻尖，小直径药卷和小直径锚杆，可实现光面爆破，有效提高成巷建设，降低掘进成本。
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2·The practice of bolt support in reserved coal drift in mining pressure area is introduced, helpful conclusion is obtained through observation and analyse.介绍了煤巷锚杆支护在动压区留巷的实践，并通过观测及数据分析，得出了有借鉴意义的结论。
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3·Ma Nianjie, Gao Qian. Reliability design of bolt supporting in coal drift. Project Identification Material of coal Science Fnd, 1997.马念杰，高谦。煤巷锚杆支护可靠性设计。煤炭科学基金项目鉴定材料，1997。