Because its working condition is bad, presents like on the breakdown frequently in the use, serious influence project construction progress.
由于其工作条件恶劣，在使用中经常出现如上故障，严重影响了工程施工进度。
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。
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