blast pipe meaning in Chinese

风管。

The structure of air - blast pipe was improved on . an orienting object was installed based on theoretical analysis , that increase the spraying span . it has been found that both spraying span and droplets uniformity improved , by installing the orienting object . according to the results of a great number of experiments , orderliness of droplets diameter along the spraying span was researched , and rational spraying span of air - assisted sprayer was suggested
通过试验检验喷雾机样机的喷雾性能，并提出对各项参数的优化设计方案。通过正交试验和对比试验对雾滴取样，证明导流器的安装不仅增加了喷幅，而且还提高了雾滴均匀性系数。根据大量试验的结果分析，找出了雾滴直径在喷幅方向上所呈现的变化规律，并提出了合理的喷幅范围。