基本解释電鍍的穿孔词组短语短語PTH Plated -Through-Hole technology 鍍通孔技術PTH Plated Through -Hole 導通孔plated -through hole 金屬化孔landless plated -through hole 無連接磐孔Copper -plated-through hole 鍍銅通孔plated through hole更多词组专业释义動力與電氣工程金屬化孔計算機科學技術金屬化孔金屬穿孔電子、通信與自動控制技術電鍍的穿孔