You don't need any bolting, screwing, or welding on site.

你不需要任何螺栓连接，螺纹连接，或焊接现场。

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Quality and schedule of group welding on site has been improved through pre-assembly.

通过预组装，施工现场组焊质量和周期得到了保证。

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Cold welding process should be adopted with strict requirements for technical operational procedure, and technical problems for tyre welding on site can be solved.

在焊接过程中，只要严格按照工艺技术措施操作，采取冷焊接工艺进行焊接，可以解决轮带现场焊接的技术难点。

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Nachman Brautbar of Los Angeles has worked on everything from breast implants and welding fumes to the chromium contamination in the Erin Brockovich case (his Web site features a testimonial from the film's namesake).

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