Ntau txheej PCB hauv kev sib txuas lus, kev kho mob, kev tswj hwm kev lag luam, kev ruaj ntseg, tsheb, hluav taws xob, hluav taws xob, kev ua tub rog, khoos phis tawj peripheral thiab lwm yam kev lag luam raws li "core force", cov khoom lag luam muaj ntau dua, ntau thiab ntau cov kab ntom ntom, yog li kuj sib txawv. , ntau lawm nyuaj kuv ...
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