介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。
The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.
保持架压合：一个质量控制流程：随机抽选保持架然后临时装配成一个完整的轴承；
CLOSE IN : A quality control process which selects cages by random sample and which temporarily assembles them into a complete bearing;
箱体类零件装配后，可能发生变形，改变其冷加工时的质量控制。
Assemblage deformation in box type parts often causes a problem of quality control.
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