Thus, noncontinuous emission limitations were appropriate only when continuous controls were infeasible.因此, 非持续性排放限制只有在持续性控制技术变得不可行时才是适当的.Since these settlements have disadvantages, the feedback reactive power compensato...
此外, 在水的涡凹和流程特性上的一些实验的研究水力的节流阀被介绍.Besides, some experimental researches on the cavitation and flow characteristics of water hydraulic throttles are introduced....