机械工程专业英语词汇翻译E-54-SCIdict学... ... 扩大 enlargement 渐扩 enlargement，gradual 陡扩 enlargement，sudden ...
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机械和矿山工程中广泛使用锥形渐扩管。
A conical diffuser has been widely used in mechanical and mine engineering.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
计算结果表明，滑移边界条件的处理能显著改善干熄炉渐扩段的模拟；
The calculated results show that the disposal of slip boundary condition can substantially improve the simulation in expanding section of CDQ chamber;
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