Preconditioned according to JEDEC Level 4a standards, the CLCC-6 flat package is lead (Pb)-free and RoHS-compliant.是什么意思_Preconditioned according to JEDEC Level 4a standards, the CLCC-6 flat package is lead (Pb)-free and RoHS-compliant.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句