The paper analyzes the causes of common quality defects in slotted screen laser cutting, and advances preventive measures against the defects.
分析了激光切割筛管过程中常见的质量缺陷及产生的原因，并提出了工艺解决方案。
This paper, combining with the common defects in Al-Mg alloy welding, proposes measures to improve Al -Mg alloy welding quality from the aspects of material selection, washing and welding steps, etc.
结合铝合金管道焊接中常见的缺陷。从选材、清洗、焊接等环节简述了提高铝镁合金的焊接质量控制措施。
It is concluded that the common quality defects of leaking joints in the thin diaphragm walls could be rectified and prevented by rational research of seepages causes and proper treatment.
结果表明渗漏原因分析合理，纠正和预防措施得当，成功地解决薄壁地下连续墙施工接头渗漏的质量通病。
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