安装焊缝又称现场焊缝，需要焊接工人在现场对钢结构构件进行焊接，现场焊缝符号为涂黑的三角形旗号，绘在引出线的转折处。 焊缝表示
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.
天然气管道安装中焊接是整个施工中最为重要的环节，焊缝质量的好坏关系到整个工程的安全与使用。
The weld is the most important section in nature gas pipeline installation, its quality relates to the whole engineering safety and usage.
这种加热槽结构简单，焊缝少，减少产生应力腐蚀的可能性，安装方便，加热效果好，节约能源。
The heating tank has simple structure, less welding lines, convenient installation, good heating effect, and energy conservation, and reduces the possibility of stress corrosion.
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