海量图书期刊资源,随时随地畅享阅读乐趣
Optimization of centrifugal pumpsP. R. Khlopenkov · 1982
Inventions surveyP. R. Khlopenkov · 1980
Air-Lift design theoryP. R. Khlopenkov · 1970
Optimization of dredge and variable displacement pumpsP. R. Khlopenkov · 1982
Improvement of the cantilever grooveless gateS. M. Slisskii; P. R. Khlopenkov; E. G. Chernenko · 1976
Improved design of a deep vertical-lift gateP. R. Khlopenkov · 1986
Optimal design of heavily loaded, high-head gatesP. R. Khlopenkov · 1979
Operating conditions of submerged gates and possibilities of improvementP. R. Khlopenkov · 1971