自动超声波检测技术具有检测效率高和成本低的特点，满足了海底管线铺设时效性要求和焊缝质量控制要求。
AUT has the characters of high efficiency and low costs of testing, which can meet the requirement of time limitation and quality control of welding seam in constructing submarine pipeline.
陕西神木阳光电厂工程空冷岛的安装质量控制主要是保证焊缝的施工质量和风机找平对中的质量，进度控制就是确保施工节点不变。
The installation quality of the air-cooling island, which is a turn-key project of Shenmu Yangguang Power Plant, is very important, and its schedule control is also very complicated.
在介绍焊缝渗透探伤的基本探伤原理、方法及测试步骤的基础上，给出预应力砼管桩接桩焊缝的质量评定标准，并建议在管桩的施工中渗透探伤法可作为质量控制的常规检验手段。
Based on the introduction of principle and method in infiltration test of welding line, the standard is put forward for quality evaluation of joint construction in prestressed concrete pipe pile.
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