• 1. range of particle size: 粒径范围
• 2. Measurement range of particle size: 粒径测量范围

• 1.Particle size Distribution. The range of particle sizes in the manufactured powder coating.
  粉末涂料生产时的粒子尺寸范围。
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• 2.In general, smaller grain size and greater angularity tend to increase the porosity while an increase in range of particle size tends to decrease porosity.
  通常，颗粒越小曲率越大孔隙度越大，而当颗粒尺寸增大时孔隙度会减。
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• 3.Chronic exposure to more than 65 micrograms per cubic meter of any type of particle in this size range may increase risk for health problems.
  长期暴露在含有超过65微克每立方米的任何颗粒的空气中，都会增加健康隐患。
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