In the support project of soft-rock tunnel, the pullout resistance of the Self-screwed Slip Casting Tube Bolt is the critical technical parameter that related to the security of anchorage system. 在软岩隧道支护中,自旋注浆锚管的抗拔力是至关重要的技术参数,关系到锚固体系的安全。
The critical technical parameter impacting the drying speed is the feeding speed. 影响干燥速度的关键工艺参数是进料速度;