1)  tapered spiral
渐缩型
2)  gradual contractile
渐缩
3)  converging tube
渐缩管
1.
By use of the FLUENT program with some modifications the coal-water slurry is simulated numerically on its converging tube flows,the predicted pressure was compared with the experimental results and correctness of the calculated is proved.
运用FLUENT软件提供的非牛顿流体模块对水煤浆流经渐缩管进行模拟计算,比较计算压差和实验压差,证明计算模型的正确性。
4)  abrupt contraction section
渐缩段
5)  contraction scour
渐缩冲刷
6)  gradually reducing pipeline
渐缩管道
参考词条
补充资料：渐台二型食双星
    　　见食双星。
　　

说明：补充资料仅用于学习参考，请勿用于其它任何用途。