change of parameters stage by stage  逐级改变计算参数

dividing stage of stage mass regulating  分阶段改变流量的质调节

graphical stage-to-stage calculation program  图解计算程序

last stage and penultimate stage rotor blade  末级和次末级动叶片

milling stage by stage  分段磨

one-stage and two-stage carburizing  一段式和二段式渗碳

regulating stage by stage  分段调节方式

single stage and two stage orificings  一级与二级节流

stage by stage  逐步地

Stage by stage characteristics  阶段性

Stage grinding and stage separation flowsheet  阶段磨矿阶段选别流程

Stage grinding-stage mineral processing  阶磨阶选

stage-by-stage control  分段式控制

stage-by-stage optimization  逐级优化

Stage-grinding and stage-separating  阶段磨选

1150mm free standing last-stage steel blades  1150mm末级自由(钢制)叶片

16-stage mixer-centrifugal settler  16级混合-离心澄清器

1st Stage Construction Project of the Western Course  西线一期工程

1ST STAGE PROJECT  一期工程

1st-stage project of west-line for transferring water from southern to northern  南水北调西线一期工程