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其他叫法:渣眼、包(骨葬)、进(骨葬)、掉(骨葬)、包釉子、进釉子、进垃圾、垃圾孔、包渣、(?)眼。特征:在铸件表面或内部存在孔穴,孔穴中全部或部分充塞着除砂粒外的非金属物质。铸件表面渣孔,经清砂後,渣滓可能除去一部分,在孔壁上仍附有玻璃状或灰渣状物质,有各种不同的颜色。渣孔形状不规则,但孔壁无树枝状组织存在,表面不光滑。
Other names: slag eyes, bag (bone burial), into (bone burial), off (bone burial), package glaze, into the glaze, into the trash, trash holes, slag, (? Features: There are holes in the casting surface or inside, all or part of the hole stuffed with non-metallic materials other than sand. Casting surface slag hole, after the sand, the garbage may be removed part of the hole wall is still attached to glassy or ash-like material, with a variety of different colors. The shape of the slag hole is irregular, but there is no dendrite in the pore wall, and the surface is not smooth.