可焊高强度钢板，用于工程机械化等。
Weldable high strength steel plate, used for construction, machine mining machine.
内焊机的显著特点是根焊速度快、确保焊接质量，是管道施工实施机械化、高效化焊接的关键设备之一。
The marked character of inner welder is its high jointing speed and can confirm welding quality. It is one of the most important instruments in mechanization and efficiency in pipe construction.
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