精品文献
水泵制造厂
水泵制造的工艺研究
本文主要讨论水泵叶轮在做功工程中水力损失的大小与制造工艺之间关系的理论与实践方面的问题。主要有：同心度，水力光滑度，入流、出流的水力损失与加工精度，铸造精度，相关部委的几何形状等之间的关系。
水泵制造、安装及验收标准-上海水泵制造
Accor ding to Office Party of mass line education pra ctice a ctivities le d group of unified arrangements, units main le d to for ca dres w orkers Shang a times party lect ure, due to himself level limited, only put t his stage conce ntrated lear ning of ex perience today and everyone common with lear ning exchange, pur pose is let w e further dee p understa ndi ng mass li ne of connotati on, i n