Experiment results show that the powder size of manganese carbonate will influence product quality.
试验发现，碳酸锰产品的粒度大小严重影响产品的质量。
It is necessary to measure the size and shape of particles of powder.
因此需要对粉体的大小和形状进行测量。
The most part of powder is spherical with a broad particle size distribution.
目前得到的粉末几乎都为球形，但颗粒粒径分布范围比较宽。
Influence of dry powder fire extinguishing agent size on inhibitory performance.
干粉灭火剂粒度对抑爆性能的影响。
Influence of dry powder fire extinguishing agent size on inhibitory performance.
干粉灭火剂粒度对抑爆性能的影响。
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