1) conical keyhole
圆锥小孔
2) taper bore
圆锥孔
1.
Repair machining methods for the high precision taper bore with small machining allowance have been described.
介绍大齿轮高精度圆锥孔小余量进行修复的加工方法。
3) diameter of taper bore
圆锥孔径
1.
The measuring method and analysis of indefinition for diameter of taper bore;
圆锥孔径测量方法与误差分析
4) cone shaped hole
圆锥形孔
1.
To investigate the influence of the hole shape on the film cooling effectiveness of the maze composition structure of a combustor,a numerical study on the distribution of its wall temperature and cooling effectiveness was performed when the outside wall holes were dust-pan shaped holes,cone shaped holes and round holes.
为了获得开孔形状对燃烧室新型迷宫复合冷却结构冷却效率的影响规律,采用数值模拟方法研究迷宫冷却结构的外侧壁冷却孔分别为簸箕形孔、圆锥形孔和圆柱形孔时内外壁温的分布情况,获得其壁温及冷却效率的分布规律,并在迷宫冷却结构三层壁的热侧面对它们的冷却效率进行对比。
2.
Experiments on dust pan shaped holes, cone shaped holes and round holes have been conducted with secondary flow Reynolds number ranging from 10,000 to 25,000 and blowing ratio ranging from 0.
所用孔形是簸箕形孔、圆锥形孔及圆柱形孔 ,实验的参数范围为二次流孔径雷诺数 Re=1 0 0 0 0~ 2 5 0 0 0 ,二次流吹风比 M=0 。
5) Tritucum turgidum L
圆锥小麦
1.
Analysis on Agronomic Traits of Tritucum turgidum L. Landraces;
圆锥小麦地方品种的农艺性状分析
6) deep tine taper hole
深小锥孔
1.
Theory research on the maximum reduction of deep tine taper hole formed by open-die cold extrusion;
深小锥孔挤压成形极限变形程度理论判据建立
2.
Theoretical and experimental research on the forming limit of deep tine taper hole formed by open-die cold extrusion;
深小锥孔开式冷挤压成形极限的理论及实验研究
3.
In the paper, maximum reduction when deep tine taper hole is formed by open-die extrusion is defined.
给出了深小锥孔件开式冷挤压成形时极限变形程度的定义,建立了变形区非稳态连续速度场;利用上限原理得到了极限变形程度的理论判据。
补充资料:第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍,一般缺损较大,多在卵圆孔附近称第二孔(继发孔)型缺损。
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