In this paper, the influence of flow coefficient of injector hole, hole diameter and needle lift on emission is studied through contrast experiment of different injectors.
本文通过对柴油机配置不同喷油器所进行的排放对比试验，研究分析了喷油器喷孔流量系数、喷孔直径、针阀升程对排放的影响。
The diameter, flow, shear rate, draw ratio, pressure difference and degree of profile in different configuration of capillary hole were calculated.
计算不同叶长，叶宽，孔数的喷丝板毛细孔的当量直径，单孔流量，剪切速率，喷头拉伸比，三叶异形孔压力降和异形度。
The applications of large diameter manual hole digging pile in different engineering geological conditions are discussed based upon design examples.
通过设计实例，从理论上探讨了大直径人工挖孔桩在建筑基础设计中的应用。
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