Teeth may also be sensitive because of irritation to the tooth pulp from habits of clenching (clamping) or grinding.
牙齿过敏也是可能因为有药咬牙或磨牙的习惯而是的牙齿根管的受到刺激。
The variation of pulp viscosity, temperature and product whiteness with grinding time, and energy consumption of the stirring mill are also investigated.
分析了搅拌球磨过程中矿浆粘度、温度和产品白度的变化,及搅拌磨的能量效率。
The new technics of recovering gold from pyrite cinder by superfine grinding resin in pulp method was studied.
研究了超细磨—树脂矿浆法从黄铁矿烧渣中提金新工艺。
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