...循环障碍时，牙髓组织营养不良，出现细胞变性，钙盐沉积，形成微小或大块钙化物质，称~ l 两种形式 1. 髓石(Pulp Stone)：游离于牙髓组织或附着于髓腔壁 2. 弥漫性钙化：髓腔内广泛钙化，致髓腔闭锁。
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... pulp segment 纸浆磨块 pulp stone 纸浆磨石 PVA (polyvinylalcohol) grinding wheel PVA 砂轮 ...
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stone ground wood pulp 磨石磨木浆
The olives are crushed to a pulp by stone rollers.
橄榄由石磙碾成浆。
And they were then gradually decreased with fruit grown up. The diameter and density of stone cells near the core and the skin of fruit were larger than that of middle part pulp.
石细胞团的分布特点是以近果心和近果皮处石细胞团分布密度高，直径大，中层果肉中石细胞团密度低，直径小。
The main raw materials : macromolecular PU, Stone Particles , pure wood pulp.
主要原料有：高分子PU、石米、纯木浆。
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