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This post was last edited by wangheng on 2025-11-22 06:10. Experts: Can the inlet and outlet pipelines of the centrifugal pump use tapered sections, changing from 10 inches to 2 inches? Are there any requirements for the variable-diameter series? Does having more than 4 stages with varying diameters affect the operation of a centrifugal pump? my.tv.sohu.com/us/441005428/684978555.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODU1NS5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978553.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODU1My5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978427.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODQyNy5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978627.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODYyNy5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978626.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODYyNi5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978549.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODU0OS5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978622.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODYyMi5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978545.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODU0NS5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978422.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODQyMi5zaHRtbA==.html my.tv.sohu.com/us/441005428/684978541.shtml tv.sohu.com/v/dXMvNDQxMDA1NDI4LzY4NDk3ODU0MS5zaHRtbA==.html