结果表明，无论从微观结构，还是外在特征，挟沙水流速度脉动与浓度脉动之间存在着内在联系。
It has proved that the turbulence of the flow resulting in the sediment suspension and the fluctuation of the concentration of sediment.
通过理化检验和宏微观检查，分析了脉动真空灭菌器内腔开裂失效的原因。
The cause for corrosion-induced failure of inner cavity of pulsation vacuum sterilizer was analyzed through physical and chemical inspection, macroscopical and microscopical examination.
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