常見(jiàn)例句雙語(yǔ)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(tuán)的氣孔率和平均粒度，增加球團(tuán)的致密程度，提高干球的強(qiáng)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(shí)研究比較了氣流速度與油壓對(duì)霧化特性的影響，并認(rèn)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(yàn)臺(tái)上，進(jìn)行了不同平均粒徑煤粉的密相輸送試驗(yàn)。 返回 mean particle size