这只不过是一块塑料大螺母和螺栓在每个结束。
It is simply a piece of plastic with a large nut and bolt at each end.
借助金属螺母和大钉，大碎片可接合并且能够愈合。
Large fragments can, with the aid of metal screws and pins, be reattached and set in place for healing.
通过对一种带有内螺纹的酒瓶盖的结构分析，阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
但在技术人员将一个大的分离系统的螺栓连接到机腹右下侧位置时，一个内螺母滑脱掉落了。
But after technicians managed to attach a large separation system bolt on the lower right side of the shuttle's belly, an internal nut slipped out of position and fell off.
小尺寸轴承使用带锁紧垫圈的锁紧螺母大尺寸的轴承使用带锁紧卡箍的锁紧螺母。
Smaller sizes use a lock nut with a locking washer, larger sizes use a nut with locking clip.
钢结构用高强度大六角头螺栓，大六角螺母，垫圈技术条件。
Specification of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures.
介绍了一种应用于大规格螺纹预紧的新型结构FROMO预紧螺母的结构设计，该结构螺栓只承受纯拉应力。
The design of a new pre-tensional structure (FROMOpreload nut) applied in the large size of screw thread was introduced, the pre-load bolt is only beared with the pure tensile stress.
模压螺栓或螺母连接强度大，生产周期短，产品表面光洁，成本低。
The connectional strength of FRP thread by press molding is bigger, the period of production shorter, surface brighter and cost lower.
采用高强度螺栓、螺母垫圈，必须符合《钢结构用高强度大六角螺栓、大六角螺母、垫圈技术条件》要求。
Use of high strength bolts, nuts washers must meet the "high-strength steel hexagon bolts, large hexagon nuts, washers and technical conditions" requirement.
新型螺母承载能力大、摩擦系数小、动态性能好。
The novel nut has the advantages of high bearing capacity, small friction coefficient and good dynamic performance.
新型螺母承载能力大、摩擦系数小、动态性能好。
The novel nut has the advantages of high bearing capacity, small friction coefficient and good dynamic performance.
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