基本解释电镀的穿孔词组短语短语PTH Plated -Through-Hole technology 镀通孔技术PTH Plated Through -Hole 导通孔plated -through hole 金属化孔landless plated -through hole 无连接盘孔Copper -plated-through hole 镀铜通孔plated through hole更多词组专业释义动力与电气工程金属化孔计算机科学技术金属化孔金属穿孔电子、通信与自动控制技术电镀的穿孔