By measuring the equal density curves, the changes of compact density of iron powders with different particle size and different pressure were investigated.
通过对等密度线的测定，查明了不同粒度铁粉的压坯密度变化，以及在不同压力下压坯密度变化的规律。
By measuring the equal density curves, the changes of compact density of iron powders with different particle size and different pressure were investigated.
通过对等密度线的测定，查明了不同粒度铁粉的压坯密度变化，以及在不同压力下压坯密度变化的规律。
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