The time history of water hammer in pipeline in the condition of unit emergency load dump is calculated by characteristic line method.
在水电站机组丢弃负荷情况下，利用特征线法计算管道内的水击荷载时间历程。
The effect of wave velocity adjustment of water hammer on calculation for optimal choosing of the wicket gates closure and opening law types of unit is analysing.
分析研究了水锤波速调整对机组导叶关闭规律优化选择计算的影响。
A 5-lb hammer clutched in his right hand, he was attempting to disassemble a spindle unit from a late model Mazda.
他的右手上抓着1个5磅的锤子，正试图在一个新型的马自达上拆下一个主轴部件。
A 5-lb hammer clutched in his right hand, he was attempting to disassemble a spindle unit from a late model Mazda.
他的右手上抓着1个5磅的锤子，正试图在一个新型的马自达上拆下一个主轴部件。
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