Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.
芦沟矿21采区下山通过采用U型钢-锚网支护，改善了巷道支护状况，取得了明显的技术经济效益。
When bolting to steel flanges, longer bolts or stud may be required.
如果是应用在钢法兰晌，可能需要更长的螺栓或双头螺栓。
Low alloy heat-resistant bolting steel is widely applied in large-capacity steam turbine and other generating machinery.
低合金耐热螺栓钢广泛应用于大功率汽轮机等发电设备中。
Heavy Hex bolt. Meets ASTM A307B standard. Application: Carbon steel material for use in bolting and anchoring applications.
重型六角螺栓，符合ASTMA307 B标准，应用：螺栓、锚固应用的碳钢材料。
In the long term of production of the low alloy heat-resistant bolting steel, the out-of-tolerance of hardness is the one of the primary causes that leads to the rework of heat treatment.
在长期的生产中，低合金耐热螺栓钢硬度超差是造成该材料热处理返修的主要原因之一。
These are bolting materials suitable for high temperature service with austenitic stainless steel valve materials.
这些是适用于高温应用环境的奥氏体不锈钢阀门的螺栓材料。
Finally, the mechanism and computing methods for bolting and shotcreting with a steel reinforced strip in unstable rock were studied.
最后还研究了在不稳定围岩实施加钢筋条带全长锚杆支护作用机理及喷层破坏分析方法。
Finally, the mechanism and computing methods for bolting and shotcreting with a steel reinforced strip in unstable rock were studied.
最后还研究了在不稳定围岩实施加钢筋条带全长锚杆支护作用机理及喷层破坏分析方法。
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