Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.
主要论述印制线路板生产中所用的氟硼酸盐镀锡铅溶液。
Mainly discuss fluorborate terne electroplating solution in use for PCB fabrication.
主要论述印制线路板生产中所用的氟硼酸盐镀锡铅溶液。
He became interested in the idea he terned(termed )"vital few and trivial many.
开称为“重要的少数与碎的多数原理”感兴。
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