1) porthole
[英]['pɔ:thəʊl] [美]['pɔrt'hol]
分流孔
1.
After analyzing flow behavior of broad extruded sheet,it was come to the conclusion that side flowing out area of porthole is two times of center one The strength of extruded sheet is 15% higher than rolled sheet due to the extruding character and extruding effec
在分析了薄板宽展挤压金属流动特点的基础上 ,得出分流孔边部流出面积为中心部分的 2倍左右。
2.
The methods of Selecting die design, porthole geometry, porthole bridge design, die core.
介绍了分流组合模设计中模具结构的选择，分流孔的布置，分流桥的结构，以及模芯、焊合室、工作带等重要参数的确定方法。
2) hole divided-flow
孔分流
1.
The method, which coupled hole divided-flow with floating-die, can forming on-gauge spur gears directly.
采用分流孔分流和浮动凹模耦合工艺成形圆柱直齿轮,该方法可以成形合格的齿轮,既能保证齿形充填完整,又能有效的降低成形载荷。
3) weir orifices
堰上分流孔
4) Surface orifice division pier
表孔分流坎
5) orifice differential
孔流分压计
6) multihole
多孔分流器
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