• Hazardous microorganisms in the ambient air are prone to be adsorbed on the surface of solid material, and propagate quickly in the crowd to cause the cross infection, especially by public facilities.

    空气存在大量有害微生物,它们极易吸附固体材料表面迅速生长繁殖尤其是通过公共设施,人群中传播,形成交叉感染

    youdao

  • Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.

    实验结果发现,试样表面出现大量氧化腐蚀,表面裂纹优先通过这些腐蚀坑扩展。

    youdao

  • Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.

    实验结果发现,试样表面出现大量氧化腐蚀,表面裂纹优先通过这些腐蚀坑扩展。

    youdao

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