例句與造句

1. Finally , the concentrations of pulverized coal also have been calculated , with average - volume method . coal solids " random tracks of different diameters are trailed
   對于顆粒相，應(yīng)用“平均體積法”得出了其在燃燒器內(nèi)各個截面上的濃度分布，并模擬了不同直徑顆粒的隨機(jī)運(yùn)動軌跡。
2. It's difficult to find random track in a sentence. 用random track造句挺難的