Defect Quantity(不良数), 此释义来源于网络辞典。
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oil quantity defect 油量缺陷
Acid cleaning techniques and improved processes were carried out and the defect quantity was decreased step by step.
最后采取了盐酸清洗工艺和改进制备工艺等措施，逐步降低了多腔诱导透射滤光片的缺陷数量。
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