常見例句雙語例句It can reduce the porosity and mean particle size of pelletizing, increase the compact level of pelletizing , improve the intension of dry bulb.能降低球團的氣孔率和平均粒度，增加球團的致密程度，提高干球的強度。The results obtained show how the mean particle size and particle size space distribution vary with air velocity, ambient pressure and spray fuel pressure.同時研究比較了氣流速度與油壓對霧化特性的影響，并認為：氣流速度始終是決定燃油霧化質(zhì)量的主要因素；Experiments of dense-phase pneumatic conveying for pulverized coal with different mean particle size were carried out on the test rig of high pressure dense-phase pneumatic conveying.在高壓密相氣力輸送試驗臺上，進行了不同平均粒徑煤粉的密相輸送試驗。 返回 mean particle size