The fine particle loss in the soil is an important issue of soil quality degradation.

土壤中细颗粒的流失是土壤质量恶化的重要表现之一。

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Former deputy leaves on the cover can reduce the imports of the vortex impeller and particle loss of the wear and tear on the seal ring.

前盖板上的副叶片可以减少叶轮进口的旋涡损失和颗粒对密封环的磨损。

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With graphite particle content increasing from 5% to 20%, wear weight-loss and friction coefficient of the composites are obviously declined, greatly improving wear resistance of the composites.

随着石墨颗粒含量从5%增加到20%，镁合金基复合材料的耐磨性得到明显的改善，磨损质量损失与摩擦系数都降低到较低水平。

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