1) electrical thread
导线铜管螺纹
2) helical tracheary elements
螺纹导管
1.
Objective To study secondary wall formation of helical tracheary elements in the stem of Cucurbita moschata.
目的观察南瓜(Cucurbita moschata)茎螺纹导管发育过程中次生壁的形成过程。
3) outer-spiral-rib copper tube
外螺纹铜管
1.
Finite element simulation of drawing process of outer-spiral-rib copper tube;
外螺纹铜管拉深成形过程的有限元模拟
4) inner grooved copper tube
内螺纹铜管
1.
Analysis and study on the shaping process of inner grooved copper tube tooth;
内螺纹铜管齿形成形机理的探讨
2.
The performance experiments on separate heat exchanges and integrated air conditioners before and after optimizing the inner grooved copper tube and reducing the thickness of aluminum foil are made.
对内螺纹铜管尺寸优化、铝箔厚度减薄前后的空调热交换器进行了单体性能实验和整机性能实验对比。
3.
This paper introduces the production process and major equipments adopted in the production of 13kt/a smooth copper tube with "horizontal continuous casting - planetary rolling" and the production of 25kt/a inner grooved copper tube with " planetary ball milling spinning" of a company.
简要介绍了某公司采用水平连铸-行星轧管法生产13kt/a光面铜管及采用行星球模旋压工艺生产25kt/a内螺纹铜管的生产工艺和所选用的主要设备。
5) inner-grooved Copper tube
内螺纹铜管
1.
It compared the two technologies and pointed out the direction to improve the production and technology of inner-grooved Copper tubes.
介绍了内螺纹铜管拉拔成形法与焊接法两种生产工艺,并对其技术优劣进行了对比,提出了内螺纹铜管生产和技术的发展方向。
2.
Two different forming processes for inner-grooved copper tube,i.
阐述了内螺纹铜管成形的两种生产工艺:拉拔旋压成形法和铜带滚压成形焊接法。
6) inner spiral copper tube
内螺纹铜管
1.
Separate mechanical test and comprehensive mechanical test were compared on the heat exchanger for air conditioners before and after the size optimization of inner spiral copper tube and thickness reduction of aluminum foil.
对内螺纹铜管尺寸优化、铝箔厚度减薄前后的空调热交换器进行了单体性能实验和整机性能实验对比。
2.
The inner spiral copper tube produced by extrusion-rolling process has a kind of special line defect,which influences the production yield remarkably.
采用挤轧法生产内螺纹铜管时易出现一种特有的线形缺陷,显著影响内螺纹铜管的成材率。
补充资料：导线
1.输送电流的金属线﹐多用铜或铝制成。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条