EPBGA model consists of seven parts, they are heat spreader, molding compound, chip, substrate, thermal vias, solder ball and PCB board.是什么意思_EPBGA model consists of seven parts, they are heat spreader, molding compound, chip, substrate, thermal vias, solder ball and PCB board.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句