英语翻译A产品的所有型号一共使用4种底盘.其中有2种底盘的型号是经常影响通过率的.因为此2个型号,PCB焊接点只有2个,

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  • There are four kinds of chassises of Product A.The passing rate is affected by two of them.So there are only two types of Product A were passable.There are only 2 PCB wiped joint on the board,it's hard to fix when testing