介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。
The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.
圆桶状结构连接于锥形板下方，中空，可供植骨，外侧面制有螺纹与腕骨紧密咬合。
The hollow cylinder is designed for bone grafting, and its outer threads ensure a very tight contact between the fusion plate and the carpal bones.
论述了在薄板冲压件上，用变薄翻边冲制小螺纹底孔的工艺、冲模结构、设计与制作技术。
Discuss punching small thread fluted opening technology, die structure, die design and die manufacture technology on thin sheet.
使用时，将左旋丝锥放入钻好的断骨的钻孔中，左旋转操作即可，铰制出左旋内螺纹。
When used, the left-hand tap is put into a drill hole of a drilled broken bone, and then operated by a left hand to make left-hand internal threads.
本文研究制冷剂r 113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。发现“犁刺”管的制冷传热效果约为光滑管的14倍，为螺纹管的10倍。
This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes, the screw tubes and the aculei finned tubes.
韩国东国制钢和现代钢铁近日相继宣布上调8月份螺纹钢出厂价格。
South Korea Dongguk steel and modern steel have recently announced increases in August steel prices.
韩国东国制钢和现代钢铁近日相继宣布上调8月份螺纹钢出厂价格。
South Korea Dongguk steel and modern steel have recently announced increases in August steel prices.
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