“FR-4”可以造什么句，FR-4造句

Synthesis of Phosphorous Containing Resin and Application in Environmental Friendly FR-4 Copper Clad Laminate

Waste FR-4 printed circuit board recycling technology based on supercritical fluid carbon dioxide

This paper describes the hybrid-construction PCB were fabricated by the FR-4 laminate and high performance low-loss prepreg to achieve lower signal crosstalk and permit lower cost.