maximum particle diameter

例句：

1. 1.The manufacturer claims that the maximum particle diameter of their product is less than 0.5 microns.
   制造商声称他们的产品的最大颗粒直径小于0.5微米。
2. 2. The engineer measured the maximum particle diameter of the sand to be 0.3 millimeters.
   工程师测量了沙子的最大颗粒直径为0.3毫米。
3. 3. The researcher found that the maximum particle diameter of the pollutants in the river was0.8 microns.
   研究者发现河流中的污染物的最大颗粒直径为0.8微米。