This paper studies particle size of both the same and different materials which were milled, graded and processed under different conditions, in AFG-100 gas stream mill made in Germany.
在德国产流化床式AF G- 100气流磨内，对同一物料在不同分级轮转速条件下及不同物料在同一分级轮转速情况下，粉碎分级出的颗粒大小进行分析研究。
Mild blood in the trachea, which is generally graded as 2 + blood (grading 1-4), is best described as more than flecks of blood being found, but less than a continuous stream.
气管内有少量血液，通常是指2 +级别血量(血量可分为1至4级)，最适当的说明是，所发现的血量多于血斑，而又少于持续流血。
Mild blood in the trachea, which is generally graded as 2 + blood (grading 1-4), is best described as more than flecks of blood being found, but less than a continuous stream.
气管内有少量血液，通常是指2 +级别血量(血量可分为1至4级)，最适当的说明是，所发现的血量多于血斑，而又少于持续流血。
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