短語(yǔ)詞組短語(yǔ)landless plated hole [電子]無(wú)邊鍍金孔landless via hole 無(wú)連接盤導(dǎo)通孔;無(wú)毗連盤導(dǎo)通孔landless plated -through hole 無(wú)連接盤孔 返回 landless hole