大家在查： prestressing force 踺子 1949至 beeches Lancang 王飞苦菜尼古拉斯·梅 WilliamAckman 弗迪南德

screw bolts

screw bolts

screw bolts

screw bolts

1

The bottom surface of the clamp arm is connected and fixed with the support arm of the tester by a plurality of screw bolts .

夹具臂的底面通过若干个螺栓与试验机支持臂连接固定。

2

After alignment, make second tightening to the screw bolts of crossing .

调线完成后对辙叉螺栓进行二次拧紧。

3

drilling holes on the building body , and anchoring a steel plate screen onto the surface of a liner body through opposed screw bolts ;

第二步、对砌体进行钻孔，将钢板网通过对穿螺栓锚固于衬体表面；

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