This article introduced in detail in the ships welding several kind of common flaw reasons and proposed prevents the measure.
本文详细介绍了船舶焊接中几种常见的缺陷原因并提出防止措施。
The paper introduced the common disease of asphalt pavement of expressway, and analyzed the cause of disease in detail, and put forward relative preventive measure and maintenance method.
本文介绍了高速公路沥青路面的常见病害，较详细地分析了病害产生的原因，并提出了相应的预防措施和维修对策。
The paper introduced the common disease of asphalt pavement of expressway, and analyzed the cause of disease in detail, and put forward relative preventive measure and maintenance method.
本文介绍了高速公路沥青路面的常见病害，较详细地分析了病害产生的原因，并提出了相应的预防措施和维修对策。
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