metallic shot

... 1.金属粒子(metallic grit) 2.金属珠(metallic shot) 3.砂粒(sand) 4.玻璃(glass) 5.农产物 (agricultural products)如胡桃壳、...

...: 1.金粒子(metallic grit) 2.金珠(metallic shot) 3.砂粒(sand) 4.玻璃(glass) 5.物 (agricultural products)如胡桃、稻、木屑 主...