There are three major advantagesof the design, viz / namely cheapness, simplicity and availability.这种设计有叁大优点, 即价廉 、 简便、实用.Cheapness is one of the main attractions of polyester resins.廉价是聚酯树脂受到欢迎的主要原因之一.The cheapness of c...
利用空化喷咀来产生“空泡”是获得“空化水射流”的简便方法.Some jets pulsed jet , cavitating jet, abrasive water jet are introduced.磨料水射流的性能主要取决于磨料颗粒的冲击速度.The performance of abrasive waterjet depends on the impact velocity of abrasive.在低速射流的预混火焰和扩散火焰...
Next year's budget will have to be drastically pruned.下一年度的预算将大幅度削减.The roses had been pruned back savagely.玫瑰被狠狠地修剪了一番.The workers have pruned all the dead branches.工人们已经剪去了所有的枯枝....