Uses a special sensor that pinpoints the edges of wood studs behind walls or ceilings.right LEDs and an audio signal indicate stud edges.是什么意思_Uses a special sensor that pinpoints the edges of wood studs behind walls or ceilings.right LEDs and an audio signal indicate stud edges.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句