Details, Fiction and كشف المعادن
ملاحظة: المعلومات والتوضيحات أعلاه هي بيانات الشركة المصنعة.The most common kind of steel detector is usually a hand-held steel detector or coil-based mostly detectors utilizing oval-shaped disks with developed-in copper coils. The research coil is effective as sensing probe and need to be moved mo