The bolting design of large deformation surrounding rock usually depends on experience, one of the main reasons is the bearing capacity of bolts.
大变形围岩的锚杆支护设计一般还是采用经验类比法，主要原因之一是不能合理确定锚杆的承载能力。
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。
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。
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