标签：PCBs - 英国华人论坛

For the uninitiated, printed circuit boards, otherwise simply known as PCBs, are used for connecting electronic components together, using conductive tracks, pads and more. PCBs are responsible for mechanically supporting the electronic comp...英国华人论坛

Contamination from polychlorinated biphenyls (PCBs) can still occur in today's environment even though the production of PCBs was halted years ago because of its harmful effects. PCBs are a creation of nearly 209 congeners or chlorinated com...英国华人论坛