Nws yog cov txheej txheem ntawm cov khoom siv hluav taws xob soldering mus rau lub rooj tsav xwm luam tawm (PCB) los tsim cov khoom siv hluav taws xob ua haujlwm.Cov txheej txheem no suav nrog cov khoom siv xws li resistors, capacitors, kev sib xyaw ua ke, cov khoom sib txuas, thiab lwm yam khoom siv hluav taws xob yog mounte ...
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