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修理焊接容器中的缺陷 repair defects in welded vessel
并对该裂纹进行焊接修理。
旧设备在进行焊接修理时，没有必备的材料进行充分试验。
When the imported old equipment needs welding repair, usually there's no material on hand for fully testing.
自行制作、组装、安装、修理机器设备的金属薄片；利用焊接工具焊接制造所需工具。
Fabricates, assembles, installs, and repairs sheet metal products and equipment. Erects and welds structures using all welding equipment furnished.
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