The planar K-type and multiplanar KK-type joints are very commonly used in the directly welded circular hollow section (CHS) structures.
平面K型和空间KK型节点是直接焊接圆钢管结构中普遍使用的一种节点形式。
The influences of formation condition and draw ratio in melt spinning on the hollowness of Circular cross section hollow polyester fiber are studied.
本文就熔融纺丝成形条件及后拉伸倍数对圆中空聚酯纤维中空度的影响进行了探讨。
At the same time we can get the relationship between hollow circular laser beam and duty circle at different defocusing cross section.
同时得出了不同离焦量横截面上中空环形光斑的大小和占空比之间的关系。
In recent years, some of the hollow parts with non-circular section can be produced by spinning, which breaks through the limit of spinning only producing hollow parts with circular section.
近年来，一些非圆截面空心零件采用旋压技术进行加工，突破了传统旋压技术的范畴——旋压只能加工轴对称回转体的空心零件。
A circular tube-like gap (S1) in which a plating liquid (17) flows is formed between the tubular electrode placed in the hollow section and an inner peripheral wall (14) of the hollow section.
圆管状间隙（S1）在放置在中空段内的管状电极与中空段的内周壁（14）之间形成，电镀液在该 间隙（S1）中流动。
A circular tube-like gap (S1) in which a plating liquid (17) flows is formed between the tubular electrode placed in the hollow section and an inner peripheral wall (14) of the hollow section.
圆管状间隙（S1）在放置在中空段内的管状电极与中空段的内周壁（14）之间形成，电镀液在该 间隙（S1）中流动。
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