...分级效率；压降；天然气；颗粒 [gap=11995]Key words: multi-cyclone separator; collection efficiency; grading efficiency; pressure drop; natural gas; particles ..
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Grading ball milling can also shorten production time and raise efficiency of production.
同时，利用分级球磨技术还可以缩短生产时间，提高生产效率。
Low energy consumption high efficiency, automatic grading, continuous production.
低能耗高效率、自动分级、连续生产。
The performance shows the new system greatly improves the efficiency of pearl surface perfection grading and cuts the cost down as well.
实践证明，该系统不但提高了珍珠光洁度的分选效率，而且节省了企业的生产成本。
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