1 inspection items for appearance, melting point, moisture, mechanical impurities.
可检项目为外观、滴熔点、水分、机械杂质。
Precision multi-stage filtration system can remove mechanical impurities in oil effectively.
精密的多级过滤系统，能有效除去油中的机械杂质。
The damage during hydraulic fracturing mainly included clay swelling and grain migration, built up created by mechanical impurities, the damage of fracture conductivity and so on.
水力压裂过程中存在的损害主要包括粘土膨胀与颗粒运移损害、机械杂质引起堵塞损害、支撑裂缝导流能力的损害等。
The smooth interior surface is achieved through mechanical polishing and generally followed by electropolishing, which removes the surface layer and its impurities.
平滑的内表面是通过取出表面层和杂质的机抛和在次之后再电抛得到的。
By means of tensile tests at high temperature, bending strength and indentation, it is found that the mechanical properties of silicon mainly depend on surface states, dislocations and impurities.
利用高温拉伸、抗弯测试和显微压痕测试等研究手段，指出硅材料表面状况、位错和杂质是其机械性能的主要影响因素。
By means of tensile tests at high temperature, bending strength and indentation, it is found that the mechanical properties of silicon mainly depend on surface states, dislocations and impurities.
利用高温拉伸、抗弯测试和显微压痕测试等研究手段，指出硅材料表面状况、位错和杂质是其机械性能的主要影响因素。
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