"质量波动"是个多义词，它可以指质量波动（一般意义上的定义）,质量波动（科学及物质本身的定义）。
控制图的主要任务就是控制系统性差异造成的质量波动。
The main task of control chart is to control quality fluctuation caused by system performance difference.
分析了港务原料厂混匀矿质量波动的原因，并提出了应对措施。
The reasons of quality fluctuation of blended ore at Harbor and Raw Material Plant in Ma Steel are analyzed and the countermeasures are put forward.
在生产灰铸铁时，加入微量锑可防止铁液质量波动，提高抗拉强度和耐磨性。
When producing gray iron, it is possible by adding trace antimony to prevent quality fluctuation of molten iron and increase tensile strength and wear resistance.
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