| 释义 |
短语 - 1
U-boltU型螺丝 ; 钢板U型螺栓 ; 形螺栓 ; U形螺栓 - 2
u bolt骑马螺栓 ; U型螺栓 ; 马蹄螺栓 ; U形螺钉 - 3
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Effects of column stiffeners, bolt arrangement, bolt number, U-steel width and U-steel extended length are studied. 研究了柱加劲肋、螺栓排列、螺栓数目、槽钢宽度和槽钢下伸长度等的影响。 - 2
For rock roadway layout layer, the necessity and feasibility of using nude alley, a hell of arch, the U-steel shed, bolt net and spraying and other forms of support are expounded. 针对岩巷布置层位，阐述了采用裸巷、砌碹、u型钢棚、锚网喷等多种支护形式并存的必要性与可行性。 - 3
The mill comprises roll changing hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9). 其特征在于本轧机包括换辊液 压缸（1）、换辊小车（2）、轧钢机辊组（3）、立柱（4）、蜗轮升降机构（5）、U型 架（7）、转动转耳（8）、连接螺栓（9）；
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