PCBA board siv txheej txheem, feem ntau yuav muaj qhov tshwm sim ntawm ncoo tawm, tshwj xeeb tshaj yog nyob rau hauv lub PCBA board kho lub sij hawm, thaum siv ib tug soldering hlau, nws yog ib qho yooj yim heev rau kab pad tawm qhov tshwm sim, PCB Hoobkas yuav ua li cas nrog?Nyob rau hauv cov ntaub ntawv no, yog vim li cas rau lub ncoo tawm ib co tsom xam.1. Phaj...
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