1) large-sized spiral case
大型蜗壳
1.
In order to verify both strength and safety allowance of the WDB620 high tensile steel and to check the reliability of welding and manufacturing technology of an analogue large-sized spiral case test and research on its weldability and manufactu.
蜗壳钢材选用国产600 MPa级别高强钢,为了全面综合地考核该级别钢种的材料强度和安全裕度,检验模拟大型蜗壳焊接制造工艺的可靠性。
2) large-scale spiral casing of water turbine
大型水轮机蜗壳
1.
In order to simulate the residual stress and deformation of large-scale spiral casing of water turbine, the welding heat source model and the temperature field of multipass welding are studied in this paper.
为了对大型水轮机蜗壳的焊接残余应力和变形进行数值模拟,本文首先对焊接热源模型及多层多道焊的温度场进行了研究。
3) scroll outline
蜗壳型线
1.
The flow angle and velocity distributions at the scroll nozzle outlet with three different scroll outlines were calculated.
对计算结果的比较表明 ,蜗壳型线的变化 ,对喷嘴出口气流参数的分布会产生明显的影响。
4) model spiral case
模型蜗壳
5) volute modeling
蜗壳模型
6) major and small circle casing
大小圆蜗壳
1.
This paper summarizes soft development and technology of spreading of elliptical spiral casing based on approximate elliptical spiral casing(major and small circle casing).
主要介绍椭圆蜗壳按近似椭圆蜗壳(即大小圆蜗壳)展开的软件开发与制作工艺过程。
补充资料：蜗醢
1.用蚌蛤类的肉做成的酱。
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