镀锌六角金属丝网
galvanized hexagonal wire mesh
板波纹填料
structured corrugated sheet packing
BH型板波纹填料
high efficiency BH Mellapak packing
陶瓷波纹填料
ceramic corrugated filler
烧结金属丝网
sintered metal mesh
synthetic metal wire mesh
进排气夹金属丝网橡胶石棉板
compressed asbestos fibre ointing with steel wire