The bad weather is one of the key factors that affect the quality of welding during petrochemical project construction.
在石化工程建设施工过程中，恶劣天气是影响焊接质量的关键因素之一。
The pump pouring liquid with the supporting of steel by a small pipe is one of the add craft in tunnel construction and it is fit for tunnel project in bad geology condition.
超前小导管注浆加钢支撑是隧道工程辅助开挖的一种施工工艺，特别适用于地质条件不良的隧道施工。
The good or bad of the construction project quality is directly related to the habitat safety and it has very important quality control significance.
建筑工程施工质量的好坏，直接关系到人居安全，其质量控制意义非常重要。
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