当我们打算在木板墙或混凝土墙上进行操作时,应该知道墙里面的具体结构,木龙骨的位置及走向,钢筋、电线管的位置及走向,然后才能做到选准位置,有的放矢。右图所示的是一种利用超声波、红外线原理制成的三合一(木材、金属、电线电源)探测器,可以帮助我们简便快速地准确探测到墙内的结构,以便选定最佳 When we plan to operate on wooden wall or concrete wall, we should know the specific structure inside the wall, the position and the direction of the wood keel, the position and the direction of the steel bars and the wire tubes, and then we can choose the correct position and target. The image on the right shows a three-in-one (wood, metal, wire power) detector made using ultrasonic and infrared principles, which can help us accurately and quickly detect the structure inside the wall so that we can choose the best