短语词组短语bar board with hole 带孔板条board with hole 洞洞板PC Board Thru Hole 安装类型board hole diameter 镜头版的孔的直径square board with a hole 方板开孔hole board 提花机目板hole board system 洞板行为系统throttle hole board 节流孔板discrete hole board 离散孔板 返回 board hole