鑽孔抵抗儀resistograph

鑽孔抵抗儀resistograph

鑽孔抵抗儀resistograph 可以測量木材與樹木內部有沒有腐朽的儀器

http://www.iml.de/en/wood-testing-systems/products/iml-resi-systems/iml-resi-pd-series/