particles fraction是什么意思 particles fraction怎么读
particles fraction的用法和样例
- The aggregates, composed of the primary particles, retain sufficient water and nutrients.
由原颗粒组成的团聚体要能保持充分的水分和养分。 - The base surge of dirt particles moves outward from the center of the explosion and is subsequently carried downwind.
由尘埃颗粒组成的基浪从爆炸中心向外移动，继而顺风散开。
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