当时测试标准分军用品,民用品,残次品。残次品率极高。
回答: 八面槽的干活。。。。:)一发小经常干此事,买回来后一通猛测,没几个能用的,最后还是得买正品, 两三块一个的三极管。。:)
由 zhenleilren1
于 2025-08-08 22:40:04
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