... welding joint焊接接头 welding laboratory焊接试验室 welding layer焊层 ...
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Can be used for vacuum packaging, manufacture, vacuum welding, printing, plastic, refrigeration equipment maintenance and instrumentation and laboratory and other ancillary equipment.
可用于电真空容器制造、真空焊接、印刷、吸塑、制冷设备维修及仪器仪表设备配套和实验室等。
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