1. Kev kub ceev thiab kev kub ceev Circuit Court board tsim, nrog rau kev ua haujlwm siab, kev ua haujlwm kub, CAF / kub tsis kam, mechanical toughness, zoo kev ntseeg siab, qib hluav taws kub, thiab lwm yam. 2. High-frequency high-speed circuit board thiab cov khoom ua tau zoo sib xws, xws li raws li hluav taws xob, ua ...
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