Are solderability test samples archived for one year?
焊锡性样品是否至少保留一年？
Is the solderability test frequency being performed at a minimum of once per lot?
焊锡性测试最小测试频率是否为每批一次？
Water vapor aging test whether experiment: discoloration or corrosion, and the subsequent spots solderability.
水蒸气老化实验：测试是否变色或腐蚀斑点，及后续的可焊性。
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